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Internet Assigned Numbers Authority

IPv4 Multicast Address Space Registry

Last Updated
2025-04-07
Expert(s)
Stig Venaas
Note
Host Extensions for IP Multicasting [RFC1112] specifies the extensionsrequired of a host implementation of the Internet Protocol (IP) tosupport multicasting.  The multicast addresses are in the range224.0.0.0 through 239.255.255.255. Address assignments are listed below.The range of addresses between 224.0.0.0 and 224.0.0.255, inclusive,is reserved for the use of routing protocols and other low-leveltopology discovery or maintenance protocols, such as gateway discoveryand group membership reporting.  Multicast routers should not forwardany multicast datagram with destination addresses in this range,regardless of its TTL.
Available Formats

XML
HTML
Plain text

Registries Included Below

Local Network Control Block (224.0.0.0 - 224.0.0.255 (224.0.0/24))

Registration Procedure(s)
Expert Review, IESG Approval, or Standards Action
Reference
[RFC5771]
Note
(*)  It is only appropriate to use these values in explicitly-configured experiments; they MUST NOT be shipped as defaults inimplementations.  See [RFC3692] for details.
Request an Assignment
[https://www.iana.org/protocols/apply]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
224.0.0.0Base Address (Reserved)[RFC1112][Jon_Postel]
224.0.0.1All Systems on this Subnet[RFC1112][Jon_Postel]
224.0.0.2All Routers on this Subnet[Jon_Postel]
224.0.0.3Unassigned
224.0.0.4DVMRP Routers[RFC1075][Jon_Postel]
224.0.0.5OSPFIGP OSPFIGP All Routers[RFC2328][OSPF_WG_Chairs]
224.0.0.6OSPFIGP OSPFIGP Designated Routers[RFC2328][OSPF_WG_Chairs]
224.0.0.7ST Routers[RFC1190][Karen_Seo]
224.0.0.8ST Hosts[RFC1190][Karen_Seo]
224.0.0.9RIP2 Routers[RFC1723][Gary_S_Malkin]
224.0.0.10EIGRP Routers[RFC7868]1996-03-01
224.0.0.11Mobile-Agents[[Bill Simpson]]
224.0.0.12DHCP Server / Relay Agent[[Unknown]]
224.0.0.13All PIM Routers[Dino_Farinacci]1996-03-01
224.0.0.14RSVP-ENCAPSULATION[Bob_Braden]1996-04-01
224.0.0.15all-cbt-routers[Tony_Ballardie][RFC2189]1997-02-01
224.0.0.16designated-sbm[Fred_Baker]1997-06-01
224.0.0.17all-sbms[Fred_Baker]1997-06-01
224.0.0.18VRRP[RFC3768][RFC9568]
224.0.0.19IPAllL1ISs[Tony_Przygienda]1999-10-01
224.0.0.20IPAllL2ISs[Tony_Przygienda]1999-10-01
224.0.0.21IPAllIntermediate Systems[Tony_Przygienda]1999-10-01
224.0.0.22IGMP[Steve_Deering]1999-10-01
224.0.0.23GLOBECAST-ID[Piers_Scannell]2000-03-01
224.0.0.24OSPFIGP-TE[RFC4973]
224.0.0.25router-to-switch[Ishan_Wu]2000-03-01
224.0.0.26Unassigned
224.0.0.27Al MPP Hello[Brian_Martinicky]2000-03-01
224.0.0.28ETC Control[Steve_Polishinski]2000-03-01
224.0.0.29GE-FANUC[Ian_Wacey]2000-05-01
224.0.0.30indigo-vhdp[Colin_Caughie]2000-05-01
224.0.0.31shinbroadband[Sakon_Kittivatcharapong]2000-05-01
224.0.0.32digistar[Brian_Kerkan]2000-05-01
224.0.0.33ff-system-management[Dave_Glanzer]2003-03-01
224.0.0.34pt2-discover[Ralph_Kammerlander]2000-06-01
224.0.0.35DXCLUSTER[Dirk_Koopman]2000-07-01
224.0.0.36DTCP Announcement[Patrick_Cipiere]2001-01-01
224.0.0.37-224.0.0.68zeroconfaddr (renew 12/02)[Erik_Guttman]2001-12-01
224.0.0.69all-AODV-RPL-nodes[RFC-ietf-roll-aodv-rpl-20]2025-03-10
224.0.0.70-224.0.0.100Unassigned
224.0.0.101cisco-nhap[Mark_Bakke]2001-12-01
224.0.0.102HSRP[Ian_Wilson]2001-12-01
224.0.0.103MDAP[Johan_Deleu]2002-02-01
224.0.0.104Nokia MC CH[Morteza_Kalhour]2002-10-01
224.0.0.105ff-lr-address[Dave_Glanzer]2003-03-01
224.0.0.106All-Snoopers[RFC4286]
224.0.0.107PTP-pdelay[NIST: IEEE Std 1588][Kang_Lee]2007-02-02
224.0.0.108Saratoga[Lloyd_Wood]2007-08-302011-03-17
224.0.0.109LL-MANET-Routers[RFC5498]2011-02-23
224.0.0.110IGRS[Xiaoyu_Zhou]2009-01-20
224.0.0.111Babel[RFC8966]
224.0.0.112MMA Device Discovery[Tom_White]2011-11-02
224.0.0.113AllJoyn[Craig_Dowell]2011-11-18
224.0.0.114Inter RFID Reader Protocol[Wayne_Wenyu_Liu]2012-06-12
224.0.0.115JSDP[J._Ryan_Stinnett]2014-07-01
224.0.0.116Device discovery/config[COMTECH_Kft.]2016-10-20
224.0.0.117DLEP Discovery[RFC8175]2017-04-03
224.0.0.118MAAS[Mike_Pontillo]2017-05-19
224.0.0.119ALL_GRASP_NEIGHBORS[RFC8990]2017-07-20
224.0.0.1203GPP MBMS SACH[Charles_Lo][_3GPP]2022-11-02
224.0.0.121ALL_V4_RIFT_ROUTERS[RFC9692]2023-02-17
224.0.0.122Network Virtualization Overlay (NVO) BUM Traffic[RFC9624]2024-02-02
224.0.0.123-224.0.0.149Unassigned
224.0.0.150Ramp AltitudeCDN MulticastPlus[Giovanni_Marzot][Ramp_Holdings]2019-03-13
224.0.0.151Unassigned
224.0.0.152WiseHome[Erick_MacDonald_Filzek] [IOT_COMPANY_SOLUCOES_TECNOLOGICAS_LTDA]2023-08-09
224.0.0.153-224.0.0.250Unassigned
224.0.0.251mDNS[RFC6762]2000-04-01
224.0.0.252Link-local Multicast Name Resolution[RFC4795]2011-03-17
224.0.0.253Teredo[RFC4380]2010-02-14
224.0.0.254RFC3692-style Experiment (*)[RFC4727]
224.0.0.255Unassigned

Internetwork Control Block (224.0.1.0 - 224.0.1.255 (224.0.1/24))

Registration Procedure(s)
Expert Review, IESG Approval, or Standards Action
Reference
[RFC5771]
Request an Assignment
[https://www.iana.org/protocols/apply]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
224.0.1.0VMTP Managers Group[RFC1045][Dave_Cheriton]
224.0.1.1NTP Network Time Protocol[RFC5905][David_Mills]
224.0.1.2SGI-Dogfight[Andrew_Cherenson]
224.0.1.3Rwhod[Steve_Deering_2]
224.0.1.4VNP[Dave_Cheriton]
224.0.1.5Artificial Horizons - Aviator[Bruce_Factor]
224.0.1.6NSS - Name Service Server[Bill_Schilit]
224.0.1.7AUDIONEWS - Audio News Multicast[Martin_Forssen]
224.0.1.8SUN NIS+ Information Service[Chuck_McManis]
224.0.1.9MTP Multicast Transport Protocol[Susie_Armstrong]
224.0.1.10IETF-1-LOW-AUDIO[Steve_Casner]
224.0.1.11IETF-1-AUDIO[Steve_Casner]
224.0.1.12IETF-1-VIDEO[Steve_Casner]
224.0.1.13IETF-2-LOW-AUDIO[Steve_Casner]
224.0.1.14IETF-2-AUDIO[Steve_Casner]
224.0.1.15IETF-2-VIDEO[Steve_Casner]
224.0.1.16MUSIC-SERVICE
224.0.1.17SEANET-TELEMETRY
224.0.1.18SEANET-IMAGE
224.0.1.19MLOADD[Bob_Braden]1996-04-01
224.0.1.20any private experiment[Jon_Postel]
224.0.1.21DVMRP on MOSPF[[John Moy]]
224.0.1.22SVRLOC[John_Veizades]1995-05-01
224.0.1.23XINGTV[Howard_Gordon]
224.0.1.24microsoft-ds[<arnoldm&microsoft.com>]
224.0.1.25nbc-pro[<bloomer&birch.crd.ge.com>]
224.0.1.26nbc-pfn[<bloomer&birch.crd.ge.com>]
224.0.1.27lmsc-calren-1[Yea_Uang]1994-11-01
224.0.1.28lmsc-calren-2[Yea_Uang]1994-11-01
224.0.1.29lmsc-calren-3[Yea_Uang]1994-11-01
224.0.1.30lmsc-calren-4[Yea_Uang]1994-11-01
224.0.1.31ampr-info[Rob_Janssen]1995-01-01
224.0.1.32mtrace[Steve_Casner_2]1995-01-01
224.0.1.33RSVP-encap-1[Bob_Braden]1996-04-01
224.0.1.34RSVP-encap-2[Bob_Braden]1996-04-01
224.0.1.35SVRLOC-DA[John_Veizades]1995-05-01
224.0.1.36rln-server[Brian_Kean]1995-08-01
224.0.1.37proshare-mc[Mark_Lewis]1995-10-01
224.0.1.38Unassigned
224.0.1.39cisco-rp-announce[Dino_Farinacci]1996-03-01
224.0.1.40cisco-rp-discovery[Dino_Farinacci]1996-03-01
224.0.1.41gatekeeper[Jim_Toga]1996-05-01
224.0.1.42iberiagames[Jose_Luis_Marocho]1996-07-01
224.0.1.43nwn-discovery[Arnoud_Zwemmer]1996-11-01
224.0.1.44nwn-adaptor[Arnoud_Zwemmer]1996-11-01
224.0.1.45isma-1[Stephen_Dunne]1997-01-01
224.0.1.46isma-2[Stephen_Dunne]1997-01-01
224.0.1.47telerate[Wenjie_Peng]1997-01-01
224.0.1.48ciena[Mike_Rodbell]1997-01-01
224.0.1.49dcap-servers[RFC2114]
224.0.1.50dcap-clients[RFC2114]
224.0.1.51mcntp-directory[Heiko_Rupp]1997-01-01
224.0.1.52mbone-vcr-directory[Wieland_Holdfelder]1997-01-01
224.0.1.53heartbeat[Louis_Mamakos]1997-03-01
224.0.1.54sun-mc-grp[Michael_DeMoney]1997-04-01
224.0.1.55extended-sys[David_Poole]1997-04-01
224.0.1.56pdrncs[Paul_Wissenbach]1997-06-01
224.0.1.57tns-adv-multi[Jerome_Albin]1997-06-01
224.0.1.58vcals-dmu[Masato_Shindoh]1997-08-01
224.0.1.59zuba[Dan_Jackson]1997-09-01
224.0.1.60hp-device-disc[Shivaun_Albright]1997-07-01
224.0.1.61tms-production[Asad_Gilani]1997-07-01
224.0.1.62sunscalar[Terry_Gibson]1997-08-01
224.0.1.63mmtp-poll[Bryan_Costales]1997-09-01
224.0.1.64compaq-peer[Victor_Volpe]1997-10-01
224.0.1.65iapp[Bob_Meier]1997-12-01
224.0.1.66multihasc-com[Darcy_Brockbank]1997-12-01
224.0.1.67serv-discovery[Chas_Honton]1997-12-01
224.0.1.68mdhcpdisover[RFC2730]
224.0.1.69MMP-bundle-discovery1[Gary_Scott_Malkin]1998-02-01
224.0.1.70MMP-bundle-discovery2[Gary_Scott_Malkin]1998-02-01
224.0.1.71XYPOINT DGPS Data Feed[NE-TEAM_at_telecomsys.com]1998-02-01
224.0.1.72GilatSkySurfer[Yossi_Gal]1998-02-01
224.0.1.73SharesLive[Shane_Rowatt]1997-03-01
224.0.1.74NorthernData[[Sheers]]
224.0.1.75SIP[[Schulzrinne]]
224.0.1.76IAPP[Henri_Moelard]1998-03
224.0.1.77AGENTVIEW[Ram_Iyer]1998-03-01
224.0.1.78Tibco Multicast1[Raymond_Shum]1998-04-01
224.0.1.79Tibco Multicast2[Raymond_Shum]1998-04-01
224.0.1.80MSP[Evan_Caves]1998-06-01
224.0.1.81OTT (One-way Trip Time)[Beverly_Schwartz]1998-06-01
224.0.1.82TRACKTICKER[Alan_Novick]1998-08-01
224.0.1.83dtn-mc[Bob_Gaddie]1998-08-01
224.0.1.84jini-announcement[Bob_Scheifler]1998-08-01
224.0.1.85jini-request[Bob_Scheifler]1998-08-01
224.0.1.86sde-discovery[Peter_Aronson]1998-08-01
224.0.1.87DirecPC-SI[Doug_Dillon]1998-08-01
224.0.1.88B1RMonitor[Ed_Purkiss]1998-09-01
224.0.1.893Com-AMP3 dRMON[Prakash_Banthia]1998-09-01
224.0.1.90imFtmSvc[Zia_Bhatti]1998-09-01
224.0.1.91NQDS4[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.92NQDS5[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.93NQDS6[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.94NLVL12[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.95NTDS1[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.96NTDS2[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.97NODSA[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.98NODSB[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.99NODSC[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.100NODSD[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.101NQDS4R[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.102NQDS5R[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.103NQDS6R[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.104NLVL12R[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.105NTDS1R[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.106NTDS2R[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.107NODSAR[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.108NODSBR[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.109NODSCR[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.110NODSDR[Michael_Rosenberg] [Nasdaq_Inc]1998-09-01
224.0.1.111MRM[Liming_Wei]1998-10-01
224.0.1.112TVE-FILE[Dean_Blackketter]1998-11-01
224.0.1.113TVE-ANNOUNCE[Dean_Blackketter]1998-11-01
224.0.1.114Mac Srv Loc[Bill_Woodcock]1998-11-01
224.0.1.115Simple Multicast[Jon_Crowcroft]1998-11-01
224.0.1.116SpectraLinkGW[Mark_Hamilton]1998-11-01
224.0.1.117dieboldmcast[Gene_Marsh]1998-11-01
224.0.1.118Tivoli Systems[Jon_Gabriel]1998-12-01
224.0.1.119pq-lic-mcast[Bob_Sledge]1998-12-01
224.0.1.120Pico[Pico_Sales] [Pico]2007-03-01
224.0.1.121Pipesplatform[Daniel_Dissett]1998-12-01
224.0.1.122LiebDevMgmg-DM[Mike_Velten]1999-01-01
224.0.1.123TRIBALVOICE[Nigel_Thompson]1999-01-01
224.0.1.124Unassigned (Retracted 1/29/01)
224.0.1.125PolyCom Relay1[[Coutiere]]
224.0.1.126Infront Multi1[Morten_Lindeman]1999-03-01
224.0.1.127XRX DEVICE DISC[Michael_Wang]1999-03-01
224.0.1.128CNN[Joel_Lynch]1999-04-01
224.0.1.129PTP-primary[NIST: IEEE Std 1588][Kang_Lee]2007-02-02
224.0.1.130PTP-alternate1[NIST: IEEE Std 1588][Kang_Lee]2007-02-02
224.0.1.131PTP-alternate2[NIST: IEEE Std 1588][Kang_Lee]2007-02-02
224.0.1.132PTP-alternate3[NIST: IEEE Std 1588][Kang_Lee]2007-02-02
224.0.1.133ProCast[Shai_Revzen]1999-04-01
224.0.1.1343Com Discp[Peter_White]1999-04-01
224.0.1.135CS-Multicasting[Nedelcho_Stanev]1999-05-01
224.0.1.136TS-MC-1[Darrell_Sveistrup]1999-06-01
224.0.1.137Make Source[Anthony_Daga]1999-06-01
224.0.1.138Teleborsa[Paolo_Strazzera]1999-06-01
224.0.1.139SUMAConfig[Walter_Wallach]1999-07-01
224.0.1.140capwap-ac[RFC5415]
224.0.1.141DHCP-SERVERS[Eric_Hall]1999-10-01
224.0.1.142CN Router-LL[Ian_Armitage]1999-08-01
224.0.1.143EMWIN[Antonio_Querubin]2008-02-04
224.0.1.144Alchemy Cluster[Stacey_O_Rourke][Stacey_O_Rourke_2]1999-08-01
224.0.1.145Satcast One[Julian_Nevell]1999-08-01
224.0.1.146Satcast Two[Julian_Nevell]1999-08-01
224.0.1.147Satcast Three[Julian_Nevell]1999-08-01
224.0.1.148Intline[Robert_Sliwinski]2000-02-01
224.0.1.1498x8 Multicast[Mike_Roper]1999-09-01
224.0.1.150Ramp AltitudeCDN MulticastPlus[Giovanni_Marzot][Ramp_Holdings]2019-03-13
224.0.1.151Intline-1[Robert_Sliwinski]2000-02-01
224.0.1.152Intline-2[Robert_Sliwinski]2000-02-01
224.0.1.153Intline-3[Robert_Sliwinski]2000-02-01
224.0.1.154Intline-4[Robert_Sliwinski]2000-02-01
224.0.1.155Intline-5[Robert_Sliwinski]2000-02-01
224.0.1.156Intline-6[Robert_Sliwinski]2000-02-01
224.0.1.157Intline-7[Robert_Sliwinski]2000-02-01
224.0.1.158Intline-8[Robert_Sliwinski]2000-02-01
224.0.1.159Intline-9[Robert_Sliwinski]2000-02-01
224.0.1.160Intline-10[Robert_Sliwinski]2000-02-01
224.0.1.161Intline-11[Robert_Sliwinski]2000-02-01
224.0.1.162Intline-12[Robert_Sliwinski]2000-02-01
224.0.1.163Intline-13[Robert_Sliwinski]2000-02-01
224.0.1.164Intline-14[Robert_Sliwinski]2000-02-01
224.0.1.165Intline-15[Robert_Sliwinski]2000-02-01
224.0.1.166marratech-cc[Peter_Parnes]2000-02-01
224.0.1.167EMS-InterDev[Stephen_T_Lyda]2000-02-01
224.0.1.168itb301[Bodo_Rueskamp]2000-03-01
224.0.1.169rtv-audio[Chris_Adams]2000-07-01
224.0.1.170rtv-video[Chris_Adams]2000-07-01
224.0.1.171HAVI-Sim[Stephan_Wasserroth]2000-07-01
224.0.1.172Nokia Cluster[Stacey_O_Rourke][Stacey_O_Rourke_2]1999-08-01
224.0.1.173host-request[Keith_Thompson]2001-06-01
224.0.1.174host-announce[Keith_Thompson]2001-06-01
224.0.1.175ptk-cluster[Robert_Hodgson]2001-12-01
224.0.1.176Proxim Protocol[Gajendra_Shukla]2002-02-01
224.0.1.177Gemtek Systems[Alex_Lee]2002-10-01
224.0.1.178IEEE IAPP[Stuart_Kerry]2003-01-01
224.0.1.1791451_Dot5_802_Discovery[Ryon_Coleman]2006-04-11
224.0.1.1801451_Dot5_802_Group_1[Ryon_Coleman]2006-04-11
224.0.1.1811451_Dot5_802_Group_2[Ryon_Coleman]2006-04-11
224.0.1.1821451_Dot5_802_Group_3[Ryon_Coleman]2006-04-11
224.0.1.1831451_Dot5_802_Group_4[Ryon_Coleman]2006-04-11
224.0.1.184VFSDP[Adam_Yellen]2007-03-06
224.0.1.185ASAP[RFC5352]
224.0.1.186SL-MANET-ROUTERS[RFC6621]
224.0.1.187All CoAP Nodes[RFC7252]2013-07-25
224.0.1.188BRSDP[Vanya_Levy][Semtech_Corporation]2019-02-20
224.0.1.189Amateur radio DMR[ETSI TS 102 361-3][Jean-Marc_MAGNIER][Jean-Marc_MAGNIER]2021-02-08
224.0.1.190All CoRE Resource Directories[RFC9176]2021-03-16
224.0.1.191-224.0.1.255Unassigned

AD-HOC Block I (224.0.2.0 - 224.0.255.255)

Registration Procedure(s)
Expert Review, IESG Approval, or Standards Action
Reference
[RFC5771]
Request an Assignment
[https://www.iana.org/protocols/apply]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
224.0.2.0Unassigned
224.0.2.1"rwho" Group (BSD) (unofficial)[Jon_Postel]
224.0.2.2SUN RPC PMAPPROC_CALLIT[Brendan_Eic]
224.0.2.3EPSON-disc-set[SEIKO_EPSON_Corp]2005-01-01
224.0.2.4All C1222 Nodes[RFC6142]2009-08-28
224.0.2.5Monitoring Discovery Protocol[Alan_Robertson]2012-04-17
224.0.2.6BitSend MediaStreams[Carl-Johan_Sjöberg]2012-04-25
224.0.2.7-224.0.2.8rxWARN[Caleb_Bell]2012-11-19
224.0.2.9DATV streams[Grant_Taylor]2016-10-04
224.0.2.10swapapp_multicast[Applykane]2017-05-19
224.0.2.11LDA Discovery Service[Juan_Ayas][LDA_Audio_Tech]2018-10-17
224.0.2.12CNP-HD-PLC[Ernst_EDER][LonMark_International]2018-11-15
224.0.2.13BSE[Rami_Chalhoub][BSE]2019-01-17
224.0.2.14OPC Discovery[OPC_Foundation][OPC_Foundation]2019-08-19
224.0.2.15Unassigned
224.0.2.16-224.0.2.17unidns[Xie_Shao][Xie_Shao]2023-01-18
224.0.2.18vivoh-directory-1[Giovanni_Marzot_2] [Vivoh]2023-10-13
224.0.2.19vivoh-directory-2[Giovanni_Marzot_2] [Vivoh]2023-10-13
224.0.2.20-224.0.2.26RGB Spectrum[Lynton_Auld] [RGB_Spectrum]2024-11-04
224.0.2.27-224.0.2.63Unassigned
224.0.2.64-224.0.2.95Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]1996-042007-07
224.0.2.96-224.0.2.127BallisterNet[Tom_Ballister] [Tom_Ballister]1997-07-012021-06-11
224.0.2.128-224.0.2.191WOZ-Garage[Douglas_Marquardt]1997-02-01
224.0.2.192-224.0.2.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]1997-02-01
224.0.3.0-224.0.3.255RFE Generic Service[Daniel_Steinber]
224.0.4.0-224.0.4.255RFE Individual Conferences[Daniel_Steinber]
224.0.5.0-224.0.5.127CDPD Groups[[Bob Brenner]]
224.0.5.128-224.0.5.191Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]1998-10-01
224.0.5.192-224.0.5.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2001-08-01
224.0.6.0-224.0.6.127Cornell ISIS Project[[Tim Clark]]
224.0.6.128-224.0.6.143MoeSingh[Moe_Singh]2009-09-24
224.0.6.144QDNE[Architecture_Team]2018-01-03
224.0.6.145-224.0.6.150Unassigned
224.0.6.151Canon-Device-control[Hiroshi_Okubo]2014-08-01
224.0.6.152-224.0.6.191Unassigned
224.0.6.192-224.0.6.255OneChicago multicast[Brian_Trudeau]2014-09-19
224.0.7.0-224.0.7.255Where-Are-You[Bill_Simpson]1994-11-01
224.0.8.0Cell Broadcast Encapsulation[Meridian_Labs_LTD][LIRNEasia] [Meridian_Labs_LTD] [LIRNEasia]2017-10-13
224.0.8.1-224.0.8.255Civic Telemetry[Meridian_Labs_LTD][LIRNEasia] [Meridian_Labs_LTD] [LIRNEasia]2020-10-07
224.0.9.0-224.0.9.255The Thing System[Carl_Malamud]1998-04-01
224.0.10.0-224.0.10.255DLSw Groups[Choon_Lee]1996-04-01
224.0.11.0-224.0.11.255NCC.NET Audio[David_Rubin]1996-08-01
224.0.12.0-224.0.12.63Microsoft and MSNBC[Tom_Blank]1996-11-01
224.0.12.64-224.0.12.231AsiaNext[Lau_Wei_Lun] [Asia_Digital_Exchange]2023-03-03
224.0.12.136-224.0.12.255Unassigned
224.0.13.0-224.0.13.255WorldCom Broadcast Services[Tony_Barber]1997-01-01
224.0.14.0-224.0.14.255NLANR[Duane_Wessels]1997-02-01
224.0.15.0-224.0.15.255Agilent Technologies[IP_Admin]1997-02-01
224.0.16.0-224.0.16.255XingNet[Mika_Uusitalo]1997-04-01
224.0.17.0-224.0.17.31Mercantile & Commodity Exchange[Asad_Gilani]1997-07-01
224.0.17.32-224.0.17.63NDQMD1[Michael_Rosenberg] [Nasdaq_Inc]1999-03-01
224.0.17.64-224.0.17.127ODN-DTV[Richard_Hodges]1999-03-01
224.0.17.128-224.0.17.255Unassigned
224.0.18.0-224.0.18.255Dow Jones[Wenjie_Peng]1997-01-01
224.0.19.0-224.0.19.63Walt Disney Company[Scott_Watson]1997-08-01
224.0.19.64-224.0.19.95Cal Multicast[Ed_Moran]1997-10-01
224.0.19.96-224.0.19.127Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]1997-102007-07
224.0.19.128-224.0.19.191IIG Multicast[Wayne_Carr]1997-12-01
224.0.19.192-224.0.19.207Metropol[James_Crawford]1998-05-01
224.0.19.208-224.0.19.239Xenoscience, Inc.[Mary_Timm]1998-07-01
224.0.19.240-224.0.19.255MJDPM[Matthew_Straight]2007-03-01
224.0.20.0-224.0.20.63MS-IP/TV[Tony_Wong]1998-07-01
224.0.20.64-224.0.20.127Reliable Network Solutions[Werner_Vogels]1998-08-01
224.0.20.128-224.0.20.143TRACKTICKER Group[Alan_Novick]1998-08-01
224.0.20.144-224.0.20.207CNR Rebroadcast MCA[Robert_Sautter]1999-08-01
224.0.20.208-224.0.20.255Unassigned
224.0.21.0-224.0.21.127Talarian MCAST[Geoff_Mendal]1999-01-01
224.0.21.128-224.0.21.255Unassigned
224.0.22.0-224.0.22.239WORLD MCAST[Ian_Stewart]1999-06-01
224.0.22.240-224.0.22.255Jones International[Jim_Ginsburg]2007-10-31
224.0.23.0ECHONET[Takeshi_Saito]2003-02-01
224.0.23.1Ricoh-device-ctrl[Akihiro_Nishida]2003-02-01
224.0.23.2Ricoh-device-ctrl[Akihiro_Nishida]2003-02-01
224.0.23.3-224.0.23.10Telefeed[Wally_Beddoe]2003-04-01
224.0.23.11SpectraTalk[Madhav_Karhade]2003-05-01
224.0.23.12KNXnet/IP[Joost_Demarest] [KNX_Association]2003-07-012023-08-23
224.0.23.13TVE-ANNOUNCE2[Michael_Dolan]2003-10-01
224.0.23.14DvbServDisc[Bert_van_Willigen]2004-01-01
224.0.23.15-224.0.23.31MJDPM[Matthew_Straight]2007-03-01
224.0.23.32Norman MCMP[Kristian_A_Bognaes]2004-02-01
224.0.23.33RRDP[Tetsuo_Hoshi]2004-06-01
224.0.23.34AF_NA[Bob_Brzezinski]2005-10-28
224.0.23.35AF_OPRA_NBBO[Bob_Brzezinski]2005-10-28
224.0.23.36AF_OPRA_FULL[Bob_Brzezinski]2005-10-28
224.0.23.37AF_NEWS[Bob_Brzezinski]2005-10-28
224.0.23.38AF_NA_CHI[Bob_Brzezinski]2005-10-28
224.0.23.39AF_OPRA_NBBO_CHI[Bob_Brzezinski]2005-10-28
224.0.23.40AF_OPRA_FULL_CHI[Bob_Brzezinski]2005-10-28
224.0.23.41AF_NEWS_CHI[Bob_Brzezinski]2005-10-28
224.0.23.42Control for IP Video[Nadine_Guillaume]2005-02-01
224.0.23.43acp-discovery[Andy_Belk]2005-02-01
224.0.23.44acp-management[Andy_Belk]2005-02-01
224.0.23.45acp-data[Andy_Belk]2005-02-01
224.0.23.46dof-multicast[Bryant_Eastham]2006-06-162015-04-23
224.0.23.47AF_DOB_CHI[Bob_Brzezinski]2005-10-28
224.0.23.48AF_OPRA_FULL2_CHI[Bob_Brzezinski]2005-10-28
224.0.23.49AF_DOB[Bob_Brzezinski]2005-10-28
224.0.23.50AF_OPRA_FULL2[Bob_Brzezinski]2005-10-28
224.0.23.51Fairview[Jim_Lyle]2006-08-07
224.0.23.52Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2006-08-11
224.0.23.53MCP[Tim_DeBaillie]2006-11-30
224.0.23.54ServDiscovery[Paul_Langille]2007-01-17
224.0.23.55noaaport1[Antonio_Querubin]2008-02-04
224.0.23.56noaaport2[Antonio_Querubin]2008-02-04
224.0.23.57noaaport3[Antonio_Querubin]2008-02-04
224.0.23.58noaaport4[Antonio_Querubin]2008-02-04
224.0.23.59DigacIP7[Jonathan_Niedfeldt]2008-02-22
224.0.23.60AtscSvcSig[Jerry_Whitaker]2008-12-19
224.0.23.61SafetyNET p (potentially IGMPv1)[Pilz]2009-03-13
224.0.23.62BluemoonGamesMC[Christopher_Mettin]2009-05-12
224.0.23.63iADT Discovery[Paul_Suhler]2009-05-12
224.0.23.64-224.0.23.80Moneyline[Guido_Petronio]2004-01-01
224.0.23.81-224.0.23.127Reserved (Moneyline)
224.0.23.128-224.0.23.157PHLX[Michael_Rosenberg] [Nasdaq_Inc]2004-01-01
224.0.23.158VSCP[Charles_Tewiah]2005-09-01
224.0.23.159LXI-EVENT[Nick_Barendt]2005-11-04
224.0.23.160solera_lmca[Mark_Armstrong]2006-02-09
224.0.23.161VBooster[Alexander_Pevzner]2006-03-17
224.0.23.162cajo discovery[John_Catherino]2006-03-17
224.0.23.163INTELLIDEN[Jeff_Schenk]2006-03-31
224.0.23.164IceEDCP[Oliver_Lewis]2006-07-11
224.0.23.165omasg[Mark_Lipford]2006-07-11
224.0.23.166MEDIASTREAM[Maurice_Robberson]2006-08-15
224.0.23.167Systech Mcast[Dan_Jakubiec]2006-08-21
224.0.23.168tricon-system-management[John_Gabler]2007-07-06
224.0.23.169MNET discovery[Andy_Crick]2008-01-14
224.0.23.170CCNx (not for global routing)[Simon_Barber]2009-09-24
224.0.23.171LLAFP[Michael_Lyle]2009-11-11
224.0.23.172UFMP[Shachar_Dor] [Mellanox]2010-02-04
224.0.23.173PHILIPS-HEALTH[Mike_King][Philips_Healthcare]2010-02-26
224.0.23.174PHILIPS-HEALTH[Mike_King][Philips_Healthcare]2010-02-26
224.0.23.175QDP[Kevin_Gross]2010-03-12
224.0.23.176CalAmp WCP[Pierre_Oliver]2011-06-06
224.0.23.177AES discovery[Kevin_Gross_2]2012-08-28
224.0.23.178JDP Java Discovery Protocol[Florian_Weimer]2013-02-08
224.0.23.179PixelPusher[Jasmine_Strong]2014-06-04
224.0.23.180network metronome[George_Neville-Neil]2014-12-17
224.0.23.181polaris-video-transport[Geoff_Golder]2016-04-19
224.0.23.182-224.0.23.191Unassigned
224.0.23.192-224.0.23.255PINKOTC[Sergey_Shulgin]2008-08-12
224.0.24.0-224.0.24.127AGSC UK VVs[Andrew_Rowley]2006-06-09
224.0.24.128-224.0.24.255EM-MULTI[Soren_Martin_Sorensen]2006-08-07
224.0.25.0-224.0.28.255CME Market Data[Anthony_Lopresti][CME_Group]2007-03-22
224.0.29.0-224.0.30.255Deutsche Boerse[Jan_Drwal]2007-03-22
224.0.31.0-224.0.34.255CME Market Data[Anthony_Lopresti][CME_Group]2007-07-17
224.0.35.0-224.0.35.255M2S[Itamar_Gilad]2007-08-31
224.0.36.0-224.0.36.255DigiPlay[Robert_Taylor]2016-09-29
224.0.37.0-224.0.38.255London Metal Exchange[LME_Networks] [London_Metal_Exchange]2017-03-24
224.0.39.0-224.0.40.255CDAS[Oyvind_H_Olsen]2007-09-12
224.0.41.0-224.0.41.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2007-11-282011-02-15
224.0.42.0-224.0.45.255Media Systems[Media_Systems_OOO][Media_Systems_OOO]2008-01-15
224.0.46.0-224.0.50.255Deutsche Boerse[Jan_Drwal]2008-01-25
224.0.51.0-224.0.51.255ALCOM-IPTV[TV_System_Administrators][Ålands_Telekommunikation_Ab]2008-04-092018-02-20
224.0.52.0-224.0.53.255Euronext[Euronext_Admin][Euronext_Admin]2008-07-232014-11-24
224.0.54.0-224.0.57.255Telia Norway mcast[Henrik_Lans] [Telia-Norway-Get-NOC]2008-08-20
224.0.58.0-224.0.61.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2008-08-27
224.0.62.0-224.0.62.255BATS[Cboe_POC] [Cboe_Bats_LLC]2008-12-24
224.0.63.0-224.0.63.255BATS Trading[Cboe_POC] [Cboe_Bats_LLC]2009-03-13
224.0.64.0-224.0.67.255Euronext[Euronext_Admin][Euronext_Admin]2009-03-132014-11-24
224.0.68.0-224.0.69.255Nasdaq Inc.[Michael_Rosenberg] [Nasdaq_Inc]2009-05-12
224.0.70.0-224.0.71.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2009-06-162011-03-01
224.0.72.0-224.0.72.255TMX[TMX_Network_Engineering] [TMX]2009-08-28
224.0.73.0-224.0.74.255Direct Edge[Cboe_POC] [Cboe_Bats_LLC]2009-08-28
224.0.75.0-224.0.75.255Nasdaq Inc.[Michael_Rosenberg] [Nasdaq_Inc]2010-01-22
224.0.76.0-224.0.76.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2010-02-262011-03-01
224.0.77.0-224.0.77.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2010-02-26
224.0.78.0-224.0.78.255ALCOM-IPTV[TV_System_Administrators][Ålands_Telekommunikation_Ab]2010-03-122018-02-20
224.0.79.0-224.0.81.255Nasdaq Inc.[Michael_Rosenberg] [Nasdaq_Inc]2010-08-24
224.0.82.0-224.0.85.255BATS Trading[Cboe_POC] [Cboe_Bats_LLC]2011-01-31
224.0.86.0-224.0.101.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2011-02-10
224.0.102.0-224.0.102.127Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2011-04-13
224.0.102.128-224.0.102.255MVS-IPTV-2[Midwest_Video_Solutions] [Midwest_Video_Solutions]2014-06-12
224.0.103.0-224.0.104.255MVS-IPTV[Midwest_Video_Solutions][Adam_DeMinter] [Midwest_Video_Solutions]2011-04-20
224.0.105.0-224.0.105.127MIAX Multicast[Gamini_Karunaratne][MIAX]2011-06-06
224.0.105.128-224.0.105.255MVS-IPTV3[Justin_Beaman] [Midwest_Video_Solutions]2017-12-04
224.0.106.0-224.0.106.255TMX[TMX_Network_Engineering] [TMX]2011-06-16
224.0.107.0-224.0.108.255TSX Inc.[TMX_Network_Engineering] [TMX]2011-07-13
224.0.109.0-224.0.110.255TSX Inc.[TMX_Network_Engineering] [TMX]2011-10-25
224.0.111.0-224.0.111.255VoleraDataFeed[Cboe_POC] [Cboe_Bats_LLC]2011-10-25
224.0.112.0-224.0.112.255JHB-STOCK-EXCH[Clem_Verwey]2011-12-07
224.0.113.0-224.0.114.255Deutsche Boerse[Jan_Drwal]2011-12-19
224.0.115.0-224.0.115.255TMX[TMX_Network_Engineering] [TMX]2012-06-12
224.0.116.0-224.0.116.255Intercontinental Exchange, Inc[RIR_Admin] [Intercontinental_Exchange_Inc.]2012-06-19
224.0.117.0-224.0.119.255Nasdaq Inc.[Michael_Rosenberg] [Nasdaq_Inc]2012-07-12
224.0.120.0-224.0.120.255czechbone iptv[Karel_Vesely] [Nej.cz]2013-01-15
224.0.121.0-224.0.121.255AQUIS-EXCHANGE[Paul_Roberts] [Aquis_Exchange_PLC]2013-05-13
224.0.122.0-224.0.123.255DNS:NET TV[Marlon_Berlin]2013-05-25
224.0.124.0-224.0.124.255Boston Options Exchange[David_Wilson][Michael_Caravetta]2013-05-30
224.0.125.0-224.0.125.255Hanweck Associates[Cboe_POC] [Cboe_Bats_LLC]2013-09-05
224.0.126.0-224.0.129.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2013-10-31
224.0.130.0-224.0.131.255BATS Trading[Cboe_POC] [Cboe_Bats_LLC]2014-03-05
224.0.132.0-224.0.135.255Net By Net Holding IPTV[Lev_V._Cherednikov]2014-04-12
224.0.136.0-224.0.139.255Aequitas Innovations Inc.[Cboe_POC] [Cboe_Bats_LLC]2014-05-16
224.0.140.0-224.0.140.255Instinet[Instinet] [Instinet]2014-09-04
224.0.141.0-224.0.141.255MIAX-2[Gamini_Karunaratne][MIAX]2015-06-30
224.0.142.0-224.0.142.255MIAX M3[Gamini_Karunaratne][MIAX]2017-05-19
224.0.143.0-224.0.143.255A2X-EXCHANGE[Neal_Lawrence]2017-06-02
224.0.144.0-224.0.151.255VZ-Multicast-Public[Stephen_Ray_Middleton]2015-03-23
224.0.152.0-224.0.152.255cse-md[David_Brett]2016-04-19
224.0.153.0-224.0.156.255Telia Norway mcast[Henrik_Lans] [Telia-Norway-Get-NOC]2016-05-24
224.0.157.0-224.0.157.255London Metal Exchange[LME_Networks] [London_Metal_Exchange]2017-01-23
224.0.158.0-224.0.159.255TriAct Canada Marketplace LP[Hatice_Unal]2017-01-23
224.0.160.0-224.0.165.255Deutsche Boerse[Bernd_Uphoff]2016-07-07
224.0.166.0-224.0.167.255Virgin Connect IPTV[Vladimir_Shishkov]2017-02-17
224.0.168.0-224.0.169.255Deutsche Boerse[Bernd_Uphoff]2017-12-05
224.0.170.0-224.0.170.255MVS-IPTV4[Justin_Beaman] [Midwest_Video_Solutions]2018-06-07
224.0.171.0-224.0.171.255COINBASE-MARKETS[Gavin_McKee][Coinbase]2019-01-25
224.0.172.0-224.0.175.255Deutsche Boerse[Bernd_Uphoff]2018-06-19
224.0.176.0-224.0.179.255MIAX-EX-3-4-5[Gamini_Karunaratne][MIAX]2018-07-31
224.0.180.0-224.0.181.255CBOE Europe[Cboe_POC] [Cboe_Bats_LLC]2019-02-13
224.0.182.0-224.0.183.255ALCOM-TV[TV_System_Administrators][Ålands_Telekommunikation_Ab]2019-02-28
224.0.184.0-224.0.184.255AQUIS-EXCHANGE[Paul_Roberts] [Aquis_Exchange_PLC]2019-08-28
224.0.185.0-224.0.185.255Hanweck Associates[Cboe_POC] [Cboe_Bats_LLC]2019-09-12
224.0.186.0-224.0.186.255BOX Options Market[Alexandre_Gomes] [BOX_TECHNOLOGY_CANADA_INC.]2019-10-02
224.0.187.0-224.0.188.255MVS-IPTV5[Justin_Beaman] [Midwest_Video_Solutions]2019-11-13
224.0.189.0-224.0.189.255Ido Rosen[Ido_Rosen] [Ido_Rosen]2021-03-23
224.0.190.0-224.0.191.255RTP Media[Vadim_B._Kantor] [RTP_Media]2020-10-01
224.0.192.0-224.0.207.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2021-04-01
224.0.208.0-224.0.213.255Euronext[Euronext_Admin][Euronext_Admin]2021-04-13
224.0.214.0-224.0.214.255OSK B2B mVPN distribution[Attila_Miklóš] [IPadmin_-_Orange_Slovensko_a.s.]2021-06-11
224.0.215.0-224.0.215.255Tradeweb CLOB[Ruben_Hernandez] [Tradeweb_Markets_Inc]2022-01-06
224.0.216.0-224.0.219.255RTP Media[Vadim_B._Kantor] [RTP_Media]2021-07-30
224.0.220.0-224.0.223.255Japan Exchange Group[Japan_Exchange_Group] [Japan_Exchange_Group]2021-09-07
224.0.224.0-224.0.224.255AQUIS-EXCHANGE[Paul_Roberts] [Aquis_Exchange_PLC]2021-12-21
224.0.225.0-224.0.225.255Kalejdo TV[Kalejdo_TV] [Thomas_Sörlin]2022-08-26
224.0.226.0-224.0.227.255MVS-IPTV6[Justin_Beaman] [Midwest_Video_Solutions]2022-06-09
224.0.228.0-224.0.231.255London Metal Exchange[LME_Networks] [London_Metal_Exchange]2022-02-01
224.0.232.0-224.0.239.255Lucera Financial Infra[Kevin_McNicholas] [Lucera_Financial_Infrastructures]2022-02-17
224.0.240.0-224.0.243.255London Metal Exchange[LME_Networks] [London_Metal_Exchange]2022-05-26
224.0.244.0-224.0.244.255Clearpool AMS[Charles_Gomes] [Clearpool]2023-05-19
224.0.245.0-224.0.245.255OneChronos[Kelly_Littlepage] [OCX_Group_Inc]2023-08-29
224.0.246.0-224.0.246.255MEMX Memoir[Javier_Torres] [Members_Exchange-MEMX]2024-01-22
224.0.247.0-224.0.247.255BOX Options Market[Alexandre_Gomes] [BOX_TECHNOLOGY_CANADA_INC.]2024-02-27
224.0.248.0-224.0.249.255Unassigned
224.0.250.0-224.0.251.255KPN Broadcast Services[Ad_C_Spelt][KPN_IP_Office]2009-09-01
224.0.252.0-224.0.252.255KPN Broadcast Services[Ad_C_Spelt][KPN_IP_Office]2005-08-01
224.0.253.0-224.0.253.255KPN Broadcast Services[Ad_C_Spelt][KPN_IP_Office]2005-08-01
224.0.254.0-224.0.254.255Intelsat IPTV[Karl_Elad]2006-03-312011-02-22
224.0.255.0-224.0.255.255Intelsat IPTV[Karl_Elad]2006-03-312011-02-22

RESERVED (224.1.0.0-224.1.255.255 (224.1/16))

Reference
[RFC5771]
Note
No new assignments are being made in this range for the time being.
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
224.1.0.0-224.1.0.37Reserved[RFC5771]
224.1.0.38dantz[Richard_Zulch]2004-05-01
224.1.0.39-224.1.1.255Reserved[RFC5771]
224.1.2.0-224.1.2.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2006-02-17
224.1.3.0-224.1.4.255NOB Cross media facilities[Technicolor_NL_NOC]2006-05-22
224.1.5.0-224.1.255.255Reserved[RFC5771]

SDP/SAP Block (224.2.0.0-224.2.255.255 (224.2/16))

Reference
[RFC5771]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
224.2.0.0-224.2.127.253Multimedia Conference Calls[Steve_Casner]
224.2.127.254SAPv1 Announcements[Steve_Casner]
224.2.127.255SAPv0 Announcements (deprecated)[Steve_Casner]
224.2.128.0-224.2.255.255SAP Dynamic Assignments[Steve_Casner]

AD-HOC Block II (224.3.0.0-224.4.255.255 (224.3/16, 224.4/16))

Registration Procedure(s)
Expert Review, IESG Approval, or Standards Action
Reference
[RFC5771]
Request an Assignment
[https://www.iana.org/protocols/apply]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
224.3.0.0-224.3.0.63Nasdaqmdfeeds (re-new/March 2003)[Michael_Rosenberg] [Nasdaq_Inc]1999-03-01
224.3.0.64-224.3.255.255Unassigned
224.4.0.0-224.4.0.255London Stock Exchange Group[Johnathan_Ryder] [London_Stock_Exchange_Group]2006-03-31
224.4.1.0-224.4.1.255London Stock Exchange Group[Johnathan_Ryder] [London_Stock_Exchange_Group]2008-02-25
224.4.2.0-224.4.2.255London Stock Exchange Group[Johnathan_Ryder] [London_Stock_Exchange_Group]2008-02-29
224.4.3.0-224.4.4.255London Stock Exchange Group[Johnathan_Ryder] [London_Stock_Exchange_Group]2008-12-24
224.4.5.0-224.4.6.255London Stock Exchange Group[Johnathan_Ryder] [London_Stock_Exchange_Group]2009-05-12
224.4.7.0-224.4.7.255CBOE Holdings[Cboe_POC] [Cboe_Bats_LLC]2012-04-10
224.4.8.0-224.4.9.255Nasdaq Inc.[Michael_Rosenberg] [Nasdaq_Inc]2012-04-11
224.4.10.0-224.4.13.255London Stock Exchange Group[Johnathan_Ryder] [London_Stock_Exchange_Group]2012-04-11
224.4.14.0-224.4.17.255London Stock Exchange Group[Johnathan_Ryder] [London_Stock_Exchange_Group]2018-01-04
224.4.18.0-224.4.21.255London Stock Exchange Group[Johnathan_Ryder] [London_Stock_Exchange_Group]2021-02-04
224.4.22.0-224.4.23.255London Stock Exchange Group[Johnathan_Ryder] [London_Stock_Exchange_Group]2021-09-21
224.4.24.0-224.4.31.255Fenics Market Data[Steve_Loizou] [Cantor_Fitzgerald]2023-01-18
224.4.32.0-224.4.33.255Global Futures & Options Ltd[David_Beattie] [Global_Futures_and_Options_Limited]2023-03-15
224.4.34.0-224.4.39.255MIAX-3[Gamini_Karunaratne][MIAX]2023-05-24
224.4.40.0-224.4.43.255Japan Exchange Group[Japan_Exchange_Group_-_Osaka_Exchange_Inc.][Japan_Exchange_Group_-_Osaka_Exchange_Inc.]2024-06-25
224.4.44.0-224.4.47.255CME Group[Anthony_Lopresti][CME_Group]2024-08-02
224.4.48.0-224.4.63.255Intercontinental Exchange, Inc.[RIR_Admin] [Intercontinental_Exchange_Inc.]2023-04-10
224.4.64.0-224.4.71.255CME Group[Anthony_Lopresti][CME_Group]2024-08-06
224.4.72.0-224.4.79.255FMX Market Data[Steve_Loizou][BCG_Group]2025-02-25
224.4.80.0-224.4.84.255CBOE Holdings[Cboe_POC] [Cboe_Bats_LLC]2025-04-01
224.4.85.0-224.4.255.255Unassigned

RESERVED (224.5.0.0-224.251.255.255 (251 /16s))

Reference
[RFC5771]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
224.5.0.0-224.251.255.255Reserved[RFC5771]

DIS Transient Groups 224.252.0.0-224.255.255.255 (224.252/14))

Reference
[RFC2365]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
224.252.0.0-224.255.255.255DIS Transient Groups[IANA][RFC2365]

RESERVED (225.0.0.0-231.255.255.255 (7 /8s))

Reference
[RFC5771]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
225.0.0.0-231.255.255.255Reserved[RFC5771]

Source-Specific Multicast Block (232.0.0.0-232.255.255.255 (232/8))

Reference
[RFC5771]
Note
Addresses within the 232.0.1.0-232.255.255.255 are dynamicallyallocated by hosts when needed [RFC4607]
Available Formats

CSV
RelativeDescriptionReferencesChange ControllerDate RegisteredLast Reviewed
232.0.0.0Reserved[RFC4607]
232.0.0.1-232.0.0.255Reserved for IANA allocation[RFC4607]
232.0.1.0-232.255.255.255Reserved for local host allocation[RFC4607]

GLOP Block

Reference
[RFC3180]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
233.0.0.0-233.251.255.255GLOP Block[RFC3180]

AD-HOC Block III (233.252.0.0-233.255.255.255 (233.252/14))

Registration Procedure(s)
Expert Review, IESG Approval, or Standards Action
Reference
[RFC5771]
Request an Assignment
[https://www.iana.org/protocols/apply]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
233.252.0.0-233.252.0.255MCAST-TEST-NET[IANA][RFC5771][RFC6676]2010-01-202010-01-20
233.252.1.0-233.252.1.255Pico[Pico_Sales] [Pico]2010-08-12
233.252.2.0-233.252.7.255Tradition[Tradition_Network_Operations_and_Command_Center]2010-08-12
233.252.8.0-233.252.11.255BVMF_MKT_DATA[Roberto_Costa_Simoes]2010-08-12
233.252.12.0-233.252.13.255blizznet-tv-services[Paul_Wallner]2010-09-14
233.252.14.0-233.252.17.255BVMF_MKT_DATA_2[Guilherme_Longanezi]2016-09-27
233.252.18.0-233.252.18.255Pico[Pico_Sales] [Pico]2021-12-17
233.252.19.0-233.255.255.255Unassigned

Unicast-Prefix-based IPv4 Multicast Addresses

Reference
[RFC6034]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
234.0.0.0-234.255.255.255Unicast-Prefix-based IPv4 Multicast Addresses[RFC6034]2010-08-11

Scoped Multicast Ranges

Reference
[RFC5771]
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
235.0.0.0-238.255.255.255Reserved[RFC5771]
239.0.0.0-239.255.255.255Organization-Local Scope[David_Meyer][RFC2365]1997-01-01

Relative Addresses used with Scoped Multicast Addresses

Reference
[RFC5771]
Note
(*)  It is only appropriate to use these values in explicitly-configured experiments; they MUST NOT be shipped as defaults inimplementations.  See [RFC3692] for details.These addresses are listed in the Domain Name Service under MCAST.NETand 224.IN-ADDR.ARPA.Note that when used on an Ethernet or IEEE 802 network, the 23low-order bits of the IP Multicast address are placed in the low-order23 bits of the Ethernet or IEEE 802 net multicast address1.0.94.0.0.0.  See the section on "IANA ETHERNET ADDRESS BLOCK".
Available Formats

CSV
Address(es)DescriptionReferencesChange ControllerDate RegisteredLast Reviewed
0SAP Session Announcement Protocol[Mark_Handley]1998-12-01
1MADCAP Protocol[RFC2730]
2SLPv2 Discovery[Erik_Guttman]2001-12-01
3MZAP[Dave_Thaler]2000-06-01
4Multicast Discovery of DNS Services[Bill_Manning]1999-08-01
5SSDP[UPnP_Forum]2006-06-27
6DHCP v4[Eric_Hall]1999-10-01
7AAP[Stephen_Hanna]2000-07-01
8MBUS[RFC3259]
9UPnP[UPnP_Forum]2006-06-27
10MCAST-TEST-NET-2[RFC6676]
11-252Unassigned
253Reserved
254RFC3692-style Experiment (*)[RFC4727]
255Unassigned

Contact Information

IDNameOrganizationContact URILast Updated
[_3GPP]3GPPhttps://www.3gpp.org
[Ad_C_Spelt]Ad C. Speltmailto:a.c.spelt&kpn.com2009-09-01
[Adam_DeMinter]Adam DeMintermailto:adam.deminter&mwt.net2011-04-20
[Adam_Yellen]Adam Yellenmailto:adam&videofurnace.com2009-08-12
[Akihiro_Nishida]Akihiro Nishidamailto:nishida&src.ricoh.co.jp2003-02-01
[Alan_Novick]Alan Novickmailto:anovick&tdc.com1998-08-01
[Alan_Robertson]Alan Robertsonmailto:alanr&unix.sh2012-04-17
[Ålands_Telekommunikation_Ab]Ålands Telekommunikation Abmailto:tv-noc&alcom.ax2019-02-28
[Alex_Lee]Alex Leemailto:alex_mrlee&gemtek.com.tw2002-10-01
[Alexander_Pevzner]Alexander Pevznermailto:pzz&pzz.msk.ru2006-03-17
[Alexandre_Gomes]Alexandre Gomesmailto:agomes&boxtechnology.com2024-02-27
[Andrew_Cherenson]Andrew Cherensonmailto:arc&sgi.com
[Andrew_Rowley]Andrew Rowleymailto:Andrew.Rowley&manchester.ac.uk2006-06-09
[Andy_Belk]Andy Belkmailto:register1&azulsystems.com2005-02-01
[Andy_Crick]Andy Crickmailto:acrick&haascnc.com2008-01-14
[Anthony_Daga]Anthony Dagamailto:anthony&mksrc.com1999-06-01
[Anthony_Lopresti]Anthony LoprestiCME Groupmailto:anthony.lopresti&cmegroup.com2024-08-06
[Antonio_Querubin]Antonio Querubinmailto:tony&lava.net2008-02-04
[Applykane]Applykane Technologies Private Limitedmailto:applykane&gmail.com2017-05-19
[Aquis_Exchange_PLC]Aquis Exchange PLCmailto:networks&aquis.eu2021-12-21
[Architecture_Team]Architecture Teammailto:tech.arch&quantifytechnology.com2018-01-31
[Arnoud_Zwemmer]Arnoud Zwemmermailto:arnoud&nwn.nl1996-11-01
[Asad_Gilani]Asad Gilanimailto:agilani&nymex.com1997-07-01
[Asia_Digital_Exchange]Asia Digital Exchangemailto:it_infra&asianext.com2024-04-05
[BCG_Group]BCG Groupmailto:NetworkEngineering&cantor.com2025-02-25
[Attila_Miklóš]Attila Miklóšmailto:attila.miklos&orange.com2021-06-11
[Bernd_Uphoff]Bernd Uphoffmailto:bernd.uphoff&deutsche-boerse.com2018-06-19
[Bert_van_Willigen]Bert van Willigenmailto:bert.vanwilligen&philips.com2004-01-01
[Beverly_Schwartz]Beverly Schwartzmailto:bschwart&bbn.com1998-06-01
[Bill_Manning]Bill Manningmailto:bmanning&isi.edu1999-08-01
[Bill_Schilit]Bill Schilitmailto:schilit&parc.xerox.com
[Bill_Simpson]Bill Simpsonmailto:bill.simpson&um.cc.umich.edu1994-11-01
[Bill_Woodcock]Bill Woodcockmailto:woody&zocalo.net1998-11-01
[Bob_Braden]Bob Bradenmailto:braden&isi.edu1996-04-01
[Bob_Brzezinski]Bob Brzezinskimailto:bob.brzezinski&activfinancial.com2005-10-28
[Bob_Gaddie]Bob Gaddiemailto:bobg&dtn.com1998-08-01
[Bob_Meier]Bob Meiermailto:meierb&norand.com1997-12-01
[Bob_Scheifler]Bob Scheiflermailto:Bob.Scheifler&sun.com1998-08-01
[Bob_Sledge]Bob Sledgemailto:bob&pqsystems.com1998-12-01
[Bodo_Rueskamp]Bodo Rueskampmailto:br&itchigo.com2000-03-01
[BOX_TECHNOLOGY_CANADA_INC.]BOX TECHNOLOGY CANADA INC.2024-02-27
[Brendan_Eic]Brendan Eicmailto:brendan&illyria.wpd.sgi.com
[Brian_Kean]Brian Keanmailto:bkean&dca.com1995-08-01
[Brian_Kerkan]Brian Kerkanmailto:brian&satcomsystems.com2000-05-01
[Brian_Martinicky]Brian Martinickymailto:Brian_Martinicky&automationintelligence.com2000-03-01
[Brian_Trudeau]Brian Trudeaumailto:btrudeau&onechicago.com2014-09-19
[Bruce_Factor]Bruce Factormailto:ahi!bigapple!bruce&uunet.uu.net
[Bryan_Costales]Bryan Costalesmailto:bcx&infobeat.com1997-09-01
[Bryant_Eastham]Bryant Easthammailto:protocol&opendof.org2015-04-23
[BSE]Beirut Stock Exchangemailto:itd&bse.com.lb2019-01-17
[Caleb_Bell]Caleb Bellmailto:cbell&rxnetworks.com2012-11-19
[Carl-Johan_Sjöberg]Carl-Johan Sjöbergmailto:cjs&bitsend.se2012-04-25
[Carl_Malamud]Carl Malamudmailto:carl&media.org2014-01-03
[Cantor_Fitzgerald]Cantor Fitzgeraldmailto:networkengineering&cantor.com2023-01-18
[Cboe_Bats_LLC]Cboe Bats, LLCmailto:poc&cboe.com2025-04-01
[Cboe_POC]Cboe POCCboe Bats, LLCmailto:poc&cboe.com2025-04-01
[Charles_Gomes]Charles Gomesmailto:noc&clearpoolgroup.com2023-06-05
[Charles_Lo]Charles Lomailto:clo&qti.qualcomm.com2022-11-02
[Charles_Tewiah]Charles Tewiahmailto:charles.tewiah&westlb-systems.co.uk2005-09-01
[Chas_Honton]Chas Hontonmailto:chas&secant.com1997-12-01
[Choon_Lee]Choon Leemailto:cwl&nsd.3com.com1996-04-01
[Chris_Adams]Chris Adamsmailto:jc.adams&reuters.com2000-07-01
[Christopher_Mettin]Christopher Mettinmailto:cmettin&gqbc-online.com2009-05-12
[Chuck_McManis]Chuck McManismailto:cmcmanis&sun.com
[Clearpool]Clearpoolmailto:noc&clearpoolgroup.com2023-06-05
[Clem_Verwey]Clem Verweymailto:clemv&jse.co.za2011-12-07
[CME_Group]CME Groupmailto:networkengineering&cmegroup.com2024-08-06
[Colin_Caughie]Colin Caughiemailto:cfc&indigo-avs.com2000-05-01
[Coinbase]Coinbasemailto:markets-infra&coinbase.com2019-01-28
[COMTECH_Kft.]COMTECH Kft.mailto:dev&comtech.co.hu2016-10-20
[Craig_Dowell]Craig Dowellmailto:cdowell&quicinc.com2011-11-18
[Dan_Jackson]Dan Jacksonmailto:jdan&us.ibm.com1997-09-01
[Dan_Jakubiec]Dan Jakubiecmailto:dan.jakubiec&systech.com2006-09-21
[Daniel_Dissett]Daniel Dissettmailto:ddissett&peerlogic.com1998-12-01
[Daniel_Steinber]Daniel Steinbermailto:Daniel.Steinberg&eng.sun.com
[Darcy_Brockbank]Darcy Brockbankmailto:darcy&hasc.com1997-12-01
[Darrell_Sveistrup]Darrell Sveistrupmailto:darrells&truesolutions.net1999-06-01
[Dave_Cheriton]Dave Cheritonmailto:cheriton&dsg.stanford.edu
[Dave_Glanzer]Dave Glanzermailto:dave.glanzer&fieldbus.org2003-03-01
[Dave_Thaler]Dave Thalermailto:dthaler&microsoft.com2000-06-01
[David_Beattie]David BeattieGlobal Futures and Options Limitedmailto:david.beattie&gfo-x.com2023-03-15
[David_Brett]David Brettmailto:david.brett&thecse.com2016-04-19
[David_Meyer]David Meyermailto:meyer&ns.uoregon.edu1997-01-01
[David_Mills]David Millsmailto:mills&udel.edu
[David_Poole]David Poolemailto:davep&extendsys.com1997-04-01
[David_Rubin]David Rubinmailto:drubin&ncc.net1996-08-01
[David_Wilson]David Wilsonmailto:dwilson&m-x.ca2013-05-30
[Dean_Blackketter]Dean Blackkettermailto:dean&corp.webtv.net1998-11-01
[Dino_Farinacci]Dino Farinaccimailto:dino&procket.com1996-03-01
[Dirk_Koopman]Dirk Koopmanmailto:djk&tobit.co.uk2000-07-01
[Doug_Dillon]Doug Dillonmailto:dillon&hns.com1998-08-01
[Douglas_Marquardt]Douglas Marquardtmailto:dmarquar&woz.org1997-02-01
[Duane_Wessels]Duane Wesselsmailto:wessels&nlanr.net1997-02-01
[Ed_Moran]Ed Moranmailto:admin&cruzjazz.com1997-10-01
[Ed_Purkiss]Ed Purkissmailto:epurkiss&wdmacodi.com1998-09-01
[Eric_Hall]Eric Hallmailto:ehall&ntrg.com1999-10-01
[Erick_MacDonald_Filzek]Erick MacDonald Filzekmailto:filzek&wisehome.io2023-08-09
[Erik_Guttman]Erik Guttmanmailto:Erik.Guttman&sun.com2001-12-01
[Ernst_EDER]Ernst EDERmailto:tech&lonmark.org2018-11-19
[Euronext_Admin]Euronext Adminmailto:iana-admin&euronext.com2014-11-24
[Evan_Caves]Evan Cavesmailto:evan&acc.com1998-06-01
[Florian_Weimer]Florian Weimermailto:fweimer&redhat.com2013-02-08
[Fred_Baker]Fred Bakermailto:fred&cisco.com1997-06-01
[Gajendra_Shukla]Gajendra Shuklamailto:gshukla&proxim.com2002-02-01
[Gamini_Karunaratne]Gamini Karunaratnemailto:gkarunaratne&miami-holdings.com2023-05-24
[Gary_S_Malkin]Gary S. Malkinmailto:GMALKIN&xylogics.com
[Gary_Scott_Malkin]Gary Scott Malkinmailto:gmalkin&baynetworks.com1998-02-01
[Gavin_McKee]Gavin McKeemailto:gav.mckee&coinbase.com2019-01-25
[Gene_Marsh]Gene Marshmailto:MarshM&diebold.com1998-11-01
[Geoff_Golder]Geoff Goldermailto:geoffgolder&gmail.com2016-04-19
[Geoff_Mendal]Geoff Mendalmailto:mendal&talarian.com1999-01-01
[George_Neville-Neil]George Neville-Neilmailto:gnn&neville-neil.com2014-12-17
[Giovanni_Marzot]Giovanni Marzotmailto:gmarzot&ramp.com2019-03-13
[Giovanni_Marzot_2]Giovanni Marzotmailto:gmarzot&vivoh.com2023-10-13
[Global_Futures_and_Options_Limited]Global Futures and Options Limitedmailto:david.beattie&gfo-x.com2023-03-15
[Grant_Taylor]Grant Taylormailto:grantwtt&gmail.com2016-10-04
[Guido_Petronio]Guido Petroniomailto:guido.petronio&moneyline.com2004-01-01
[Guilherme_Longanezi]Guilherme Longanezimailto:glonganezi&bvmf.com.br2016-09-27
[Hatice_Unal]Hatice Unalmailto:CAN-Tech-Network&itg.com2019-01-25
[Heiko_Rupp]Heiko Ruppmailto:hwr&xlink.net1997-01-01
[Henri_Moelard]Henri Moelardmailto:HMOELARD&wcnd.nl.lucent.com1998-03
[Henrik_Lans]Henrik Lansmailto:henrik.lans&telia.no2019-09-27
[Hiroshi_Okubo]Hiroshi Okubomailto:okubo.hiroshi&canon.co.jp2014-08-01
[Howard_Gordon]Howard Gordonmailto:hgordon&xingtech.com
[IANA]IANAmailto:iana&iana.org
[Ian_Armitage]Ian Armitagemailto:ian&coactive.com1999-08-01
[Ian_Stewart]Ian Stewartmailto:iandbige&yahoo.com1999-06-01
[Ian_Wacey]Ian Waceymailto:iain.wacey&gefalbany.ge.com2000-05-01
[Ian_Wilson]Ian Wilsonmailto:iwilson&cisco.com2001-12-01
[Ido_Rosen]Ido Rosenmailto:ido&kernel.org2021-03-23
[Instinet]Instinetmailto:uk.networks&instinet.co.uk2019-08-29
[Intercontinental_Exchange_Inc.]Intercontinental Exchange, Inc.mailto:riradmin&theice.com2023-04-10
[IOT_COMPANY_SOLUCOES_TECNOLOGICAS_LTDA]IOT COMPANY SOLUCOES TECNOLOGICAS LTDAmailto:contato&wisehome.io2023-08-09
[IP_Admin]IP Adminmailto:ipaddr&agilent.com2015-10-12
[IPadmin_-_Orange_Slovensko_a.s.]IPadmin - Orange Slovensko a.s.mailto:supervision&orange.sk2021-06-11
[Ishan_Wu]Ishan Wumailto:iwu&cisco.com2000-03-01
[Itamar_Gilad]Itamar Giladmailto:itamar&arootz.com2007-08-31
[J._Ryan_Stinnett]J. Ryan Stinnettmailto:jryans&mozilla.com2014-07-01
[James_Crawford]James Crawfordmailto:jcrawford&metropol.net1998-05-01
[Jan_Drwal]Jan Drwalmailto:Jan.Drwal&deutsche-boerse.com2011-12-19
[Japan_Exchange_Group]Japan Exchange Groupmailto:ITD-tradingsystem&jpx.co.jp2021-09-07
[Japan_Exchange_Group_-_Osaka_Exchange_Inc.]Japan Exchange Group/Osaka Exchange, Inc.mailto:o-derisys-Op_Infra&jpx.co.jp2024-06-25
[Jasmine_Strong]Jasmine Strongmailto:jasmine&heroicrobotics.com2014-06-04
[Javier_Torres]Javier TorresMembers Exchange (MEMX)mailto:jtorres&memx.com2024-01-22
[Jean-Marc_MAGNIER]Jean-Marc MAGNIERmailto:f1sca&sfr.fr2021-02-03
[Jeff_Schenk]Jeff Schenkmailto:Jeff.Schenk&intelliden.com2006-03-31
[Jerome_Albin]Jerome Albinmailto:albin&taec.enet.dec.com1997-06-01
[Jerry_Whitaker]Jerry Whitakermailto:jwhitaker&atsc.org2008-12-19
[Jim_Ginsburg]Jim Ginsburgmailto:JGinsburg&jonescorp.com2007-10-31
[Jim_Lyle]Jim Lylemailto:jim.lyle&siliconimage.com2006-08-07
[Jim_Toga]Jim Togamailto:jtoga&ibeam.jf.intel.com1996-05-01
[Joel_Lynch]Joel Lynchmailto:joel.lynch&cnn.com1999-04-01
[Johan_Deleu]Johan Deleumailto:johan.deleu&alcatel.be2002-02-01
[John_Catherino]John Catherinomailto:cajo&dev.java.net2006-03-31
[John_Gabler]John Gablermailto:john.gabler&ips.invensys.com2007-07-06
[John_Veizades]John Veizadesmailto:veizades&tgv.com1995-05-01
[Johnathan_Ryder]Johnathan RyderLondon Stock Exchange Groupmailto:jryder&lseg.com2021-09-21
[Jon_Crowcroft]Jon Crowcroftmailto:jon&hocus.cs.ucl.ac.uk1998-11-01
[Jon_Gabriel]Jon Gabrielmailto:grabriel&tivoli.com1998-12-01
[Jon_Postel]Jon Postelmailto:postel&isi.edu
[Jonathan_Niedfeldt]Jonathan Niedfeldtmailto:jon&digitalacoustics.com2008-02-22
[Joost_Demarest]Joost DemarestKNX Associationmailto:joost.demarest&knx.org2023-08-23
[Jose_Luis_Marocho]Jose Luis Marochomailto:73374.313&compuserve.com1996-07-01
[Juan_Ayas]Juan Ayasmailto:jayas&lda-audiotech.com2018-10-17
[Julian_Nevell]Julian Nevellmailto:JNEVELL&vbs.bt.co.uk1999-08-01
[Justin_Beaman]Justin Beamanmailto:justin.beaman&midwestvideosolutions.com2022-06-09
[Kalejdo_TV]Kalejdo TVmailto:mikael.nyberg&kalejdo.tv2022-08-31
[Kang_Lee]Kang Leemailto:kang.lee&nist.gov2007-02-02
[Karel_Vesely]Karel VeselyNej.cz s.r.o.mailto:karel.vesely&nej.cz2024-01-23
[Karen_Seo]Karen Seomailto:kseo&bbn.com
[Karl_Elad]Karl Eladmailto:karl.elad&intelsat.com2006-03-31
[Keith_Thompson]Keith Thompsonmailto:thompson&ridgeback.east.sun.com2001-06-01
[Kelly_Littlepage]Kelly Littlepagemailto:kelly&onechronos.com2023-08-29
[Kevin_Gross]Kevin Grossmailto:kvng&ieee.org2010-03-12
[Kevin_Gross_2]Kevin Grossmailto:kevin.gross&avanw.com2012-08-28
[Kevin_McNicholas]Kevin McNicholasmailto:kevin.mcnicholas&lucera.com2022-02-17
[KNX_Association]KNX Associationmailto:joost.demarest&knx.org2023-08-23
[KPN_IP_Office]KPN IP Officemailto:kpn-ip-office&kpn.com2011-04-18
[Kristian_A_Bognaes]Kristian A. Bognaesmailto:kristian.bognaes&norman.com2014-01-08
[Lau_Wei_Lun]Lau Wei Lunmailto:weilun.lau&asianext.com2023-03-03
[LDA_Audio_Tech]LDA Audio Techmailto:info&lda-audiotech.com2018-10-19
[Lev_V._Cherednikov]Lev V. Cherednikovmailto:lev.cherednikov&nbn-holding.ru2014-04-12
[Liming_Wei]Liming Weimailto:lwei&cisco.com1998-10-01
[LIRNEasia]LIRNEasiamailto:nuwan&lirneasia.net2020-10-07
[Lloyd_Wood]Lloyd Woodmailto:L.Wood&surrey.ac.uk2011-03-17
[LME_Networks]LME NetworksLondon Metal Exchangemailto:LME.Network&lme.com2023-04-27
[London_Metal_Exchange]London Metal Exchangemailto:LME.Network&lme.com2023-04-27
[London_Stock_Exchange_Group]London Stock Exchange Grouphttps://www.lseg.com2021-09-21
[LonMark_International]LonMark Internationalmailto:tech&lonmark.org2018-11-19
[Louis_Mamakos]Louis Mamakosmailto:louie&uu.net1997-03-01
[Lucera_Financial_Infrastructures]Lucera Financial Infrastructuresmailto:support&lucera.com2022-02-17
[Lynton_Auld]Lynton Auldmailto:lauld&rgb.com2024-11-04
[Madhav_Karhade]Madhav Karhademailto:Madhav.Karhade&wibhu.com2003-05-01
[Mark_Armstrong]Mark Armstrongmailto:Mark.Armstrong&soleratec.com2006-02-09
[Mark_Bakke]Mark Bakkemailto:mbakke&cisco.com2001-12-01
[Mark_Hamilton]Mark Hamiltonmailto:mah&spectralink.com1998-11-01
[Mark_Handley]Mark Handleymailto:mjh&isi.edu1998-12-01
[Mark_Lewis]Mark Lewismailto:Mark_Lewis&ccm.jf.intel.com1995-10-01
[Mark_Lipford]Mark Lipfordmailto:mark.a.lipford&sprint.com2006-07-11
[Marlon_Berlin]Marlon Berlinmailto:marlon.berlin&dns-net.de2013-05-25
[Martin_Forssen]Martin Forssenmailto:maf&dtek.chalmers.se
[Mary_Timm]Mary Timmmailto:mary&xenoscience.com1998-07-01
[Masato_Shindoh]Masato Shindohmailto:jl11456&yamato.ibm.co.jp1997-08-01
[Matthew_Straight]Matthew Straightmailto:matt_straight&yahoo.com2007-03-01
[Maurice_Robberson]Maurice Robbersonmailto:ceo&mediastreamusa.com2006-09-15
[Media_Systems_OOO]Media Systems OOOmailto:noc&n3.ru2021-10-22
[Mellanox]Mellanox Technologies, Inc.mailto:info&mellanox.com2019-07-01
[Members_Exchange-MEMX]Members Exchange (MEMX)mailto:jtorres&memx.com2024-01-22
[Meridian_Labs_LTD]Meridian Labs LTD.mailto:mark.wood&meridianlabs.org2020-10-07
[MIAX]Miami International Security Exchangemailto:networking&miami-holdings.com2023-05-24
[Michael_Caravetta]Michael Caravettamailto:Network_Reps&tsx.com2013-06-03
[Michael_DeMoney]Michael DeMoneymailto:demoney&eng.sun.com1997-04-01
[Michael_Dolan]Michael Dolanmailto:miked&tbt.com2003-10-01
[Michael_Lyle]Michael Lylemailto:protocols&translattice.com2009-11-11
[Michael_Rosenberg]Michael RosenbergNasdaq Inc.mailto:michael.rosenberg&nasdaq.com2024-02-01
[Michael_Wang]Michael Wangmailto:Michael.Wang&usa.xerox.com1999-03-01
[Midwest_Video_Solutions]Midwest Video Solutionsmailto:support&midwestvideosolutions.com2019-11-13
[Mika_Uusitalo]Mika Uusitalomailto:msu&xingtech.com1997-04-01
[Mike_King]Mike Kingmailto:mike.king&philips.com2019-02-07
[Mike_Pontillo]Mike Pontillomailto:mike.pontillo&canonical.com2017-05-19
[Mike_Rodbell]Mike Rodbellmailto:mrodbell&ciena.com1997-01-01
[Mike_Roper]Mike Ropermailto:mroper&8x8.com1999-09-01
[Mike_Velten]Mike Veltenmailto:mike_velten&liebert.com1999-01-01
[Moe_Singh]Moe Singhmailto:moesingh&hotmail.com2009-09-24
[Morten_Lindeman]Morten Lindemanmailto:Morten.Lindeman&os.telia.no1999-03-01
[Morteza_Kalhour]Morteza Kalhourmailto:morteza.kalhour&nokia.com2002-10-01
[Nadine_Guillaume]Nadine Guillaumemailto:nadine.guillaume&sciatl.com2005-02-01
[Nasdaq_Inc]Nasdaq Inc.mailto:network-request&nasdaq.com2024-02-01
[Neal_Lawrence]Neal Lawrencemailto:neal.lawrence&a2x.co.za2017-06-02
[Nedelcho_Stanev]Nedelcho Stanevmailto:nstanev&csoft.bg1999-05-01
[Nej.cz]Nej.cz s.r.o.mailto:lir&nej.cz2024-01-23
[NE-TEAM_at_telecomsys.com]NE-TEAM_at_telecomsys.commailto:NE-TEAM&telecomsys.com2014-11-07
[Nick_Barendt]Nick Barendtmailto:nbarendt&vxitech.com2005-11-01
[Nigel_Thompson]Nigel Thompsonmailto:nigelt&tribal.com1999-01-01
[OCX_Group_Inc]OCX Group Incmailto:noc&onechronos.com2023-08-29
[Oliver_Lewis]Oliver Lewismailto:o.lewis&icerobotics.co.uk2006-07-11
[OPC_Foundation]OPC Foundationmailto:sysadmin&opcfoundation.org2019-08-19
[OSPF_WG_Chairs]OSPF WG Chairsmailto:ospf-chairs&ietf.org
[Oyvind_H_Olsen]Oyvind H. Olsenmailto:oyvind-hollup.olsen&canaldigital.com2007-09-12
[Paolo_Strazzera]Paolo Strazzeramailto:p.strazzera&telematica.it1999-06-01
[Patrick_Cipiere]Patrick Cipieremailto:Patrick.Cipiere&udcast.com2001-01-01
[Paul_Langille]Paul Langillemailto:plangille&dnpg.com2007-01-17
[Paul_Roberts]Paul Robertsmailto:networks&aquis.eu2021-12-21
[Paul_Suhler]Paul Suhlermailto:paul.suhler&quantum.com2009-05-12
[Paul_Wallner]Paul Wallnermailto:paul.wallner&wienstrom.at2010-09-14
[Paul_Wissenbach]Paul Wissenbachmailto:paulwi&vnd.tek.com1997-06-01
[Peter_Aronson]Peter Aronsonmailto:paronson&esri.com1998-08-01
[Peter_Parnes]Peter Parnesmailto:peppar&marratech.com2000-02-01
[Peter_White]Peter Whitemailto:peter_white&3com.com1999-04-01
[Philips_Healthcare]Philips Healthcaremailto:bill.holden&philips.com2019-02-07
[Pico]Picomailto:sales&pico.net2020-07-22
[Pico_Sales]Pico Salesmailto:sales&pico.net2020-07-22
[Pierre_Oliver]Pierre Olivermailto:polivier&calamp.com2011-06-06
[Piers_Scannell]Piers Scannellmailto:piers&globecastne.com2000-03-01
[Pilz]Pilz GmbH and Co. KGmailto:pilz.gmbh&pilz.de2009-03-17
[Prakash_Banthia]Prakash Banthiamailto:prakash_banthia&3com.com1998-09-01
[Ralph_Kammerlander]Ralph Kammerlandermailto:ralph.kammerlander&khe.siemens.de2000-06-01
[Ram_Iyer]Ram Iyermailto:ram&aaccorp.com1998-03-01
[Rami_Chalhoub]Rami Chalhoubmailto:itd&bse.com.lb2019-01-17
[Ramp_Holdings]Ramp Holdingsmailto:ops&ramp.com2019-03-28
[Raymond_Shum]Raymond Shummailto:rshum&ms.com1998-04-01
[RGB_Spectrum]RGB Spectrummailto:lauld&rgb.com2024-11-15
[Richard_Hodges]Richard Hodgesmailto:rh&source.net1999-03-01
[Richard_Zulch]Richard Zulchmailto:richard_zulch&dantz.com2004-05-01
[RIR_Admin]RIR Adminmailto:riradmin&theice.com2023-04-10
[Rob_Janssen]Rob Janssenmailto:rob&pe1chl.ampr.org1995-01-01
[Robert_Hodgson]Robert Hodgsonmailto:robert&paratek.co.uk2001-12-01
[Robert_Sautter]Robert Sauttermailto:rsautter&acdnj.itt.com1999-08-01
[Robert_Sliwinski]Robert Sliwinskimailto:sliwinre&mail1st.com2000-02-01
[Robert_Taylor]Robert Taylormailto:rtaylor&digicelgroup.com2016-09-29
[Roberto_Costa_Simoes]Roberto Costa Simoesmailto:rcosta&bvmf.com.br2010-08-18
[RTP_Media]RTP Mediamailto:cgs&rtp.media2021-07-30
[Ruben_Hernandez]Ruben Hernandezmailto:ruben.hernandez&tradeweb.com2022-01-06
[Ryon_Coleman]Ryon Colemanmailto:rcoleman&3eti.com2006-04-11
[SEIKO_EPSON_Corp]SEIKO EPSON Corpmailto:ogata.hideaki&exc.epson.co.jp2005-01-01
[Sakon_Kittivatcharapong]Sakon Kittivatcharapongmailto:sakonk&cscoms.net2000-05-01
[Scott_Watson]Scott Watsonmailto:scott&disney.com1997-08-01
[Semtech_Corporation]Semtech Corporationmailto:aptovision_support&semtech.com2019-02-22
[Sergey_Shulgin]Sergey Shulginmailto:sshulgin&pinkotc.com2008-08-12
[Shachar_Dor]Shachar Dormailto:shachard&mellanox.com2019-07-01
[Shai_Revzen]Shai Revzenmailto:shai.revzen&harmonicinc.com1999-04-01
[Shane_Rowatt]Shane Rowattmailto:shane.rowatt&star.com.au1997-03-01
[Shivaun_Albright]Shivaun Albrightmailto:shivaun_albright&hp.com1997-07-01
[Simon_Barber]Simon Barbermailto:simon.barber&parc.com2009-09-24
[Soren_Martin_Sorensen]Soren Martin Sorensenmailto:sms&energimidt.dk2006-08-07
[Stacey_O_Rourke]Stacey O'Rourkemailto:stacey&network-alchemy.com1999-08-01
[Stacey_O_Rourke_2]Stacey O'Rourkemailto:stacey&cips.nokia.com2001-01-01
[Stephan_Wasserroth]Stephan Wasserrothmailto:wasserroth&fokus.gmd.de2000-07-01
[Stephen_Dunne]Stephen Dunnemailto:sdun&isma.co.uk1997-01-01
[Stephen_Hanna]Stephen Hannamailto:steve.hanna&sun.com2000-07-01
[Stephen_Ray_Middleton]Stephen Ray Middletonmailto:stephen.r.middleton&verizon.com2015-03-23
[Stephen_T_Lyda]Stephen T. Lydamailto:slyda&emsg.com2000-02-01
[Steve_Casner]Steve Casnermailto:casner&precept.com
[Steve_Casner_2]Steve Casnermailto:casner&isi.edu1995-01-01
[Steve_Deering]Steve Deeringmailto:deering&cisco.com1999-10-01
[Steve_Deering_2]Steve Deeringmailto:deering&parc.xerox.com
[Steve_Loizou]Steve LoizouBCG Groupmailto:steve.loizou&bgcg.com2025-02-25
[Steve_Polishinski]Steve Polishinskimailto:spolishinski&etcconnect.com2000-03-01
[Stuart_Kerry]Stuart Kerrymailto:stuart.kerry&philips.com2003-01-01
[Susie_Armstrong]Susie Armstrongmailto:Armstrong.wbst128&xerox.com
[Takeshi_Saito]Takeshi Saitomailto:takeshi.saito&toshiba.co.jp2003-02-01
[Technicolor_NL_NOC]Technicolor NL NOCmailto:noc&technicolor.com2009-12-23
[Telia-Norway-Get-NOC]Telia-Norway-Get-NOCmailto:noc&get.no2019-08-28
[Terry_Gibson]Terry Gibsonmailto:terry.gibson&sun.com1997-08-01
[Tetsuo_Hoshi]Tetsuo Hoshimailto:tetsuo.hoshi&jp.yokogawa.com2004-06-01
[Thomas_Sörlin]Thomas Sörlinmailto:ts&pergas.se2022-08-31
[Tim_DeBaillie]Tim DeBailliemailto:debaillie&ciholas.com2006-11-30
[TMX]TMXmailto:shelley.lindsay&tmx.com2023-04-14
[TMX_Network_Engineering]TMX Network Engineeringmailto:network.engineering&tmx.com2023-04-14
[Tom_Ballister]Tom Ballistermailto:tom&ballister.com2021-06-11
[Tom_Blank]Tom Blankmailto:tomblank&microsoft.com1996-11-01
[Tom_White]Tom Whitemailto:info&midi.org2011-11-02
[Tony_Ballardie]Tony Ballardiemailto:A.Ballardie&cs.ucl.ac.uk1997-02-01
[Tony_Barber]Tony Barbermailto:tony.barber&wcom.com1997-01-01
[Tony_Przygienda]Tony Przygiendamailto:prz&siara.com1999-10-01
[Tony_Wong]Tony Wongmailto:wongt&ms.com1998-07-01
[Tradeweb_Markets_Inc]Tradeweb Markets Incmailto:usnetworkoperations&tradeweb.com2022-01-19
[Tradition_Network_Operations_and_Command_Center]Tradition Network Operations and Command Centermailto:SH-Networking&tradition.com2010-09-22
[TV_System_Administrators]TV System AdministratorsÅlands Telekommunikation Abmailto:tv-noc&alcom.ax2019-02-28
[UPnP_Forum]UPnP Forummailto:upnpadmin&forum.upnp.org2006-06-27
[Vadim_B._Kantor]Vadim B. Kantormailto:v.kantor&gksks.ru2021-07-30
[Vanya_Levy]Vanya Levymailto:vlevy&semtech.com2019-02-20
[Victor_Volpe]Victor Volpemailto:vvolpe&smtp.microcom.com1997-10-01
[Vivoh]Vivohmailto:gmarzot&vivoh.com2023-10-16
[Vladimir_Shishkov]Vladimir Shishkovmailto:v.shishkov&vconnect.ru2017-02-17
[Wally_Beddoe]Wally Beddoemailto:WBeddoe&tkusa.com2003-04-01
[Walter_Wallach]Walter Wallachmailto:walt&sumatech.com1999-07-01
[Wayne_Carr]Wayne Carrmailto:Wayne_Carr&ccm.intel.com1997-12-01
[Wayne_Wenyu_Liu]Wayne Wenyu Liumailto:wayne.wenyu.liu&gmail.com2012-06-12
[Wenjie_Peng]Wenjie Pengmailto:wpeng&tts.telerate.com1997-01-01
[Werner_Vogels]Werner Vogelsmailto:vogels&rnets.com1998-08-01
[Wieland_Holdfelder]Wieland Holdfeldermailto:whd&pi4.informatik.uni-mannheim.de1997-01-01
[Xiaoyu_Zhou]Xiaoyu Zhoumailto:zhouxyi&lenovo.com2009-01-20
[Xie_Shao]Xie Shaomailto:xieshao&tnn.cc2023-01-18
[Yea_Uang]Yea Uangmailto:uang&force.decnet.lockheed.com1994-11-01
[Yossi_Gal]Yossi Galmailto:yossi&gilat.com1998-02-01
[Zia_Bhatti]Zia Bhattimailto:zia&netright.com1998-09-01
[8]ページ先頭
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