 | AS1299 | Arelion (fka. Telia Carrier) | ✔ | ✔ |
 | AS6939 | Hurricane Electric LLC | ✔ | ✔ |
| AS6461 | Zayo Bandwidth | ✔ | ✘ |
| AS174 | Cogent Communications, LLC | ✔ | ✔ |
 | AS39392 | SH.cz s.r.o. | ✔ | ✔ |
| AS3491 | PCCW Global, Inc. | ✔ | ✘ |
 | AS23764 | China Telecom Global | ✔ | ✘ |
 | AS5405 | Inter.link GmbH | ✔ | ✔ |
| AS32787 | Akamai (Prolexic) | ✔ | ✘ |
 | AS6663 | Türk Telekom International | ✔ | ✔ |
| AS15169 | Google LLC | ✔ | ✔ |
 | AS24482 | SG.GS | ✔ | ✔ |
 | AS28917 | Fiord Networks, UAB | ✔ | ✘ |
| AS203376 | Mailkit s.r.o. | ✔ | ✔ |
| AS199220 | KrU Stredoceskeho kraje | ✔ | ✔ |
| AS15614 | Dragon Internet a.s. | ✔ | ✔ |
| AS209369 | The Cloud Provider s.r.o. | ✔ | ✔ |
 | AS20562 | Open Peering (Broadband Hosting B.V.) | ✔ | ✔ |
| AS33943 | Eri Internet s.r.o. | ✔ | ✔ |
| AS6204 | INTERKVM HOST SRL | ✔ | ✔ |
 | AS21215 | UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd | ✔ | ✘ |
 | AS35297 | Dataline LLC | ✔ | ✔ |
 | AS8218 | Zayo Europe | ✔ | ✔ |
 | AS20804 | Exatel S.A. | ✔ | ✘ |
 | AS57344 | Telehouse EAD | ✔ | ✘ |
 | AS6424 | EDGOO NETWORKS | ✔ | ✔ |
| AS12741 | Netia SA | ✔ | ✘ |
| AS714 | Apple Inc. | ✔ | ✘ |
| AS8881 | 1&1 Versatel GmbH | ✔ | ✔ |
| AS13194 | UAB "Bite Lietuva" | ✔ | ✘ |
| AS48451 | Prazska energetika, a.s. | ✔ | ✔ |
 | AS1764 | Next Layer Telecommunications | ✔ | ✔ |
| AS8447 | A1 Telekom Austria AG | ✔ | ✔ |
| AS8075 | Microsoft Corporation | ✔ | ✘ |
| AS50629 | LWLcom GmbH | ✔ | ✔ |
| AS24940 | Hetzner Online GmbH | ✔ | ✔ |
 | AS60068 | Datacamp Limited (CDN77 / DataPacket) | ✔ | ✔ |
| AS1820 | WNET TELECOM USA Corp. | ✔ | ✔ |
 | AS44306 | OMONIA d.o.o. | ✔ | ✘ |
| AS16276 | OVH SAS | ✔ | ✘ |
| AS49544 | i3D.net B.V | ✔ | ✔ |
| AS201053 | Stowarzyszenie e-Poludnie | ✔ | ✘ |
| AS4455 | IX Reach Ltd | ✔ | ✘ |
| AS9136 | WOBCOM GmbH | ✔ | ✔ |
| AS62240 | Clouvider Limited | ✔ | ✘ |
| AS42189 | Druzstvo EUROSIGNAL | ✔ | ✔ |
 | AS14840 | BR.DIGITAL | ✔ | ✔ |
| AS36351 | IBM Cloud | ✔ | ✘ |
 | AS29278 | Rackhost Zrt. | ✔ | ✘ |
| AS4229 | Zenlayer Inc | ✔ | ✘ |
| AS13004 | Serbian Open Exchange DOO | ✔ | ✘ |
| AS10310 | Yahoo Holdings Inc. | ✔ | ✘ |
| AS8767 | M-net Telekommunikations GmbH | ✔ | ✔ |
| AS16019 | Vodafone Czech Republic a.s. | ✔ | ✘ |
| AS14061 | DigitalOcean LLC | ✔ | ✘ |
| AS39761 | ABAK, Co.Ltd. | ✔ | ✔ |
| AS216265 | ARISTO NETWORKS LTD | ✔ | ✘ |
| AS30058 | FDCservers.net | ✔ | ✘ |
| AS5610 | O2 Czech Republic, a.s. | ✔ | ✘ |
| AS44066 | firstcolo GmbH | ✔ | ✔ |
 | AS6855 | Slovak Telekom, a.s. | ✔ | ✘ |
| AS2852 | CESNET z.s.p.o. | ✔ | ✘ |
| AS16097 | HL komm Telekommunikations GmbH | ✔ | ✘ |
| AS200249 | Products Up GmbH | ✔ | ✔ |
| AS50581 | Ukrainian Telecommunication Group LLC | ✔ | ✘ |
| AS5578 | SWAN, a.s. | ✔ | ✘ |
| AS21013 | eww ag | ✔ | ✘ |
| AS36236 | NetActuate, Inc | ✔ | ✔ |
 | AS34779 | T-2, d.o.o. | ✔ | ✔ |
| AS29208 | Quantcom, a.s. | ✔ | ✘ |
| AS49981 | WorldStream B.V. | ✔ | ✘ |
| AS31117 | ENERGOTEL a.s. | ✔ | ✘ |
| AS42000 | Futruy s.r.o. | ✔ | ✘ |
| AS9009 | M247 Europe SRL | ✔ | ✘ |
| AS3212 | Telemach Slovenija d.o.o. | ✔ | ✘ |
| AS40994 | Alwyzon (Hohl IT) | ✔ | ✔ |
| AS8422 | NetCologne | ✔ | ✘ |
| AS15943 | wilhelm.tel GmbH | ✔ | ✘ |
| AS51465 | M3.NET Sp. z o.o. / Fixmap Group | ✔ | ✘ |
| AS50698 | TETA s.r.o. | ✔ | ✔ |
| AS47232 | ISP Alliance a.s. | ✔ | ✘ |
| AS8801 | Rocket Fibre Ltd | ✔ | ✔ |
| AS33353 | Sony Interactive Entertainment LLC | ✔ | ✘ |
| AS32590 | Valve Corporation | ✔ | ✔ |
| AS31229 | Beyond.pl sp. z o.o. | ✔ | ✘ |
| AS49808 | Energie AG Oberoesterreich Services und Digital Solut... | ✔ | ✘ |
| AS29405 | VNET a.s. | ✔ | ✘ |
| AS56382 | vServer.site LTD | ✔ | ✔ |
| AS8778 | Slovanet a.s. | ✔ | ✘ |
| AS24971 | MasterDC s.r.o. | ✔ | ✘ |
| AS61955 | ColocationIX GmbH | ✔ | ✘ |
| AS42473 | Anexia Cloud Solutions GmbH | ✔ | ✔ |
 | AS199524 | Gcore S.A. | ✔ | ✔ |
| AS215120 | Evolus IT Solutions GmbH | ✔ | ✔ |
| AS42 | WoodyNet, Inc. | ✔ | ✘ |
| AS8245 | Video-Broadcast GmbH | ✔ | ✘ |
| AS28725 | CETIN a.s. | ✔ | ✘ |
| AS49121 | Infinity Telecom, s.r.o. | ✔ | ✘ |
| AS44489 | STARNET, s.r.o. | ✔ | ✘ |
| AS13119 | Zachodniopomorski Uniwersytet Technologiczny w Szczec... | ✔ | ✘ |
| AS8339 | kabelplus GmbH | ✔ | ✘ |
| AS53062 | ALT | GRUPO BRASIL TECPAR | ✔ | ✘ |
| AS57169 | EDIS GmbH | ✔ | ✘ |
 | AS8529 | Zain Omantel International FZ-LLC | ✔ | ✘ |
| AS15962 | Orange Slovensko a.s. | ✔ | ✘ |
| AS42184 | TKRZ Stadtwerke GmbH | ✔ | ✘ |
| AS8251 | FreeTel, s.r.o. | ✔ | ✘ |
| AS30764 | PODA a.s. | ✔ | ✘ |
| AS25512 | CD-Telematika a.s. | ✔ | ✘ |
| AS43541 | VSHosting s.r.o. | ✔ | ✘ |
| AS35592 | Coolhousing s.r.o. | ✔ | ✘ |
| AS39791 | Telco Pro Services, a. s. | ✔ | ✘ |
| AS15935 | ha-vel internet s.r.o. | ✔ | ✘ |
| AS201730 | Cloud4com s.r.o. | ✔ | ✘ |
| AS24953 | NETPLANET GmbH | ✔ | ✘ |
| AS199803 | ComSource s.r.o. | ✔ | ✘ |
| AS207187 | TKR Jasek, s.r.o. | ✔ | ✘ |
| AS42005 | LightStorm Services s.r.o. | ✔ | ✘ |
| AS48326 | DataNetworks s.r.o. | ✔ | ✘ |
| AS29134 | Webglobe, s.r.o. | ✔ | ✘ |
| AS25248 | RADIOKOMUNIKACE a.s. | ✔ | ✘ |
| AS35236 | UVT Internet s.r.o. | ✔ | ✘ |
| AS60606 | PRO-ZETA a.s. | ✔ | ✘ |
| AS51248 | Host-Telecom.com s.r.o. | ✔ | ✘ |
| AS24641 | FASTER CZ spol. s r.o. | ✔ | ✘ |
| AS32934 | Facebook, Inc. | ✔ | ✘ |
| AS42306 | Edera Group a.s. | ✔ | ✘ |
| AS35369 | LINZ STROM GAS WAERME GmbH fuer Energiedienstleistung... | ✔ | ✘ |
| AS34525 | KOBA Sp. z o.o. | ✔ | ✘ |
| AS51013 | WebSupport s.r.o. | ✔ | ✘ |
| AS203072 | DomaTV s.r.o. | ✔ | ✘ |
| AS34820 | DELTA ONLINE spol. s r.o. | ✔ | ✘ |
| AS49025 | PRO-ZETA a.s. | ✔ | ✘ |
| AS29413 | KOMRO Gesellschaft fuer Telekommunikation mit beschra... | ✔ | ✘ |
| AS28952 | O2 Business Services, a.s | ✔ | ✘ |
| AS50782 | COSYS DATA GmbH | ✔ | ✘ |
| AS51265 | Mass Response Service GmbH | ✔ | ✘ |
 | AS62160 | WEB3 Leaders INC | ✔ | ✘ |
| AS54113 | Fastly, Inc. | ✔ | ✘ |
| AS209810 | Netcore services s.r.o. | ✔ | ✘ |
| AS20940 | Akamai International B.V. | ✔ | ✘ |
| AS51944 | DARIUSZ WESOLOWSKI trading as PROMEDIA NOWICKI WESOLO... | ✔ | ✘ |
| AS57976 | Blizzard Entertainment, Inc | ✔ | ✘ |
| AS25424 | CEZNET s.r.o. | ✔ | ✘ |
| AS25192 | CZ.NIC, z.s.p.o. | ✔ | ✘ |
| AS34955 | Martin Vicenik | ✔ | ✘ |
| AS42656 | Allegro sp. z o.o. | ✔ | ✘ |
| AS49115 | E-MAX INTERNET & IT s.r.o. | ✔ | ✘ |
| AS12905 | ACS spol. s r. o. | ✔ | ✘ |
| AS44002 | Sys-DataCom s.r.o. | ✔ | ✘ |
| AS24806 | INTERNET CZ, a.s. | ✔ | ✘ |
| AS51184 | Fonira Telekom GmbH | ✔ | ✘ |
| AS202921 | CC INTERNET s.r.o. | ✔ | ✘ |
| AS35328 | DSI DATA, a. s. | ✔ | ✘ |
| AS198101 | Kooperativa pojistovna, a.s., Vienna Insurance Group | ✔ | ✘ |
| AS6507 | Riot Games, Inc | ✔ | ✘ |
| AS29583 | Spinoco Czech Republic, a.s. | ✔ | ✘ |
| AS12605 | LIWEST Kabelmedien GmbH | ✔ | ✘ |
| AS22356 | Durand do Brasil Ltda | ✔ | ✔ |
| AS50398 | Fast Communication, s.r.o. | ✔ | ✘ |
| AS43542 | OptoNet Communication, spol. s.r.o. | ✔ | ✘ |
| AS43709 | SilesNet s.r.o. | ✔ | ✘ |
| AS55256 | Netskope Inc | ✔ | ✘ |
| AS43037 | Seznam.cz, a.s. | ✔ | ✘ |
| AS9080 | Ipex A.S | ✔ | ✘ |
| AS202895 | TFnet s.r.o. | ✔ | ✘ |
| AS20723 | AVONET, s.r.o. | ✔ | ✘ |
| AS204860 | NetX Networks a.s. | ✔ | ✘ |
 | AS13150 | CATO NETWORKS LTD | ✔ | ✘ |
| AS43070 | JAW.cz s.r.o. | ✔ | ✘ |
| AS57463 | NetIX Communications JSC | ✔ | ✘ |
| AS204949 | CMIS s.r.o. | ✔ | ✘ |
| AS38949 | Trestel SK, a.s. | ✔ | ✘ |
| AS215704 | NGN CZ s.r.o. | ✔ | ✘ |
| AS59890 | Kabel-TV Lampert GmbH & Co KG | ✔ | ✘ |
| AS202877 | VEJNET.CZ s.r.o. | ✔ | ✘ |
| AS196735 | JON.CZ s.r.o. | ✔ | ✘ |
| AS42841 | ANTIK Telecom s.r.o | ✔ | ✘ |
| AS28972 | M-SOFT, spol. s r.o. | ✔ | ✘ |
| AS197013 | Sprintel s.r.o. | ✔ | ✘ |
| AS210139 | DPT s.r.o. | ✔ | ✘ |
 | AS211826 | Istqrar for Servers Services Ltd | ✔ | ✘ |
 | AS7713 | PT Telkom Indonesia Tbk | ✔ | ✘ |
| AS39904 | MERIT GROUP a.s | ✔ | ✘ |
| AS34911 | ELDATA prazska s.r.o. | ✔ | ✘ |
| AS200970 | Riepert Informationstechnologie GmbH | ✔ | ✘ |
| AS56800 | LAST MILE spol. s r.o. | ✔ | ✘ |
| AS206548 | ZCOM.cz s.r.o | ✔ | ✘ |
 | AS9498 | Bharti Airtel Ltd. | ✔ | ✘ |
| AS48417 | ITS akciova spolecnost | ✔ | ✘ |
| AS56344 | Viridium.cz s.r.o. | ✔ | ✘ |
| AS59959 | SferiaNET.cz s.r.o. | ✔ | ✘ |
| AS25234 | ACTIVE 24, s.r.o. | ✔ | ✘ |
| AS48602 | Connect plus s.r.o. | ✔ | ✘ |
| AS34080 | MIRAMO spol. s.r.o. | ✔ | ✘ |
| AS44185 | bonet.systems, s. r. o. | ✔ | ✘ |
| AS62099 | JM-Net, z.s. | ✔ | ✘ |
| AS47114 | SychrovNET s.r.o | ✔ | ✘ |
| AS57811 | Redge Technologies sp. z o.o. | ✔ | ✘ |
| AS58239 | hanspaul-city.net s.r.o. | ✔ | ✘ |
| AS31127 | SATRO s.r.o. | ✔ | ✘ |
 | AS47927 | WIFIWEB s.r.l. | ✘ | ✔ |
| AS6881 | NIX.CZ z.s.p.o. | ✔ | ✘ |
| AS201163 | Komercni banka, a.s. | ✔ | ✘ |
 | AS44522 | Join-stock company "Internet Exchange"MSK-IX" | ✔ | ✘ |
| AS43653 | PEGO Slovakia, s.r.o. | ✔ | ✘ |
| AS197307 | Core4Net, s.r.o. | ✔ | ✘ |
| AS198346 | NETFORMS s.r.o. | ✔ | ✘ |
| AS212974 | TomaNet s.r.o. | ✔ | ✘ |
| AS29086 | GiTy, a.s. | ✔ | ✘ |
| AS51744 | Non-profit organization Jablonka.cz | ✔ | ✘ |
| AS59970 | AmigoNet s.r.o. | ✔ | ✘ |
| AS20144 | ICANN - L-root | ✔ | ✘ |
| AS203165 | Statni pokladna Centrum sdilenych sluzeb, s.p. | ✔ | ✘ |
| AS205535 | Windyghoul s.r.o. | ✔ | ✘ |
| AS39817 | OvaNet, a.s. | ✔ | ✘ |
| AS206703 | Netcom Solutions s.r.o. | ✔ | ✘ |
| AS52092 | Alf servis, s.r.o. | ✔ | ✘ |
| AS28978 | COIG S.A | ✔ | ✘ |
| AS209531 | OSTV s.r.o. | ✔ | ✘ |
 | AS37721 | Virtual Technologies & Solutions | ✘ | ✔ |
| AS44712 | eHAMnet, s.r.o. | ✔ | ✘ |
| AS44065 | NETAIR, s.r.o. | ✔ | ✘ |
| AS39790 | Web4U s.r.o. | ✔ | ✘ |
| AS50695 | VLTAVA LABE MEDIA a.s. | ✔ | ✘ |
| AS59747 | NIX.CZ z.s.p.o. | ✔ | ✘ |
| AS62011 | UNHfree.net z.s. | ✔ | ✘ |
| AS50953 | David Kondicz trading as KONFER networks | ✔ | ✘ |
| AS49013 | Fusion Media, s.r.o. | ✔ | ✘ |
| AS197046 | FIXnet s.r.o. | ✔ | ✘ |
| AS112 | AS112 Project | ✔ | ✘ |
| AS208060 | Dr. Max BDC, s.r.o. | ✔ | ✘ |
| AS56656 | Detronics s.r.o. | ✔ | ✘ |
| AS208882 | Automation & Business, s.r.o. | ✔ | ✘ |
| AS12508 | Rainside s.r.o. | ✔ | ✘ |
| AS47949 | gsnet.cz s.r.o. | ✔ | ✘ |
| AS49206 | PeakFactory BV | ✔ | ✘ |
| AS30929 | GOLEM TECH s.r.o. | ✔ | ✘ |
| AS8646 | cloudinfrastack, s.r.o. | ✔ | ✘ |
| AS18723 | Seagate Technology LLC | ✔ | ✘ |
| AS59984 | KLFREE NETWORKS, s.r.o. | ✔ | ✘ |
| AS43413 | NEW TELEKOM, spol. s r.o. | ✔ | ✘ |
| AS61296 | TechCom s.r.o. | ✔ | ✘ |
| AS201548 | Milan Zelenka | ✔ | ✘ |
| AS31349 | a-net Liberec s.r.o. | ✔ | ✘ |
| AS199490 | INTERCONNECT s.r.o. | ✔ | ✘ |
| AS262847 | DBUG TELECOM LTDA | ✔ | ✘ |
| AS47868 | SUPRO, spol. s r.o. | ✔ | ✘ |
| AS3856 | Packet Clearing House, Inc. | ✔ | ✘ |
| AS56349 | IP-Net s.r.o. | ✔ | ✘ |
| AS201594 | Czech Telecommunication Office | ✔ | ✘ |
| AS41779 | LajsiNET s.r.o. | ✔ | ✘ |
| AS199298 | Jan Stetina | ✔ | ✘ |
| AS13335 | Cloudflare, Inc. | ✔ | ✘ |
| AS15685 | CASABLANCA INT a.s. | ✔ | ✘ |
| AS202719 | Pranet s.r.o. | ✔ | ✘ |
| AS43248 | ISPER, s.r.o. | ✔ | ✘ |
| AS44855 | Aptitude Software (Poland) Sp. z o.o. | ✔ | ✘ |
| AS202605 | EMPECOM, s.r.o. | ✔ | ✘ |
| AS59871 | Heureka Group a.s. | ✔ | ✘ |
| AS207153 | Stream-iT, s.r.o. | ✔ | ✘ |
| AS48448 | Embark Studios AB | ✔ | ✘ |
| AS213387 | TeSuNet s.r.o. | ✔ | ✘ |
| AS57279 | Sauron CZ s.r.o. | ✔ | ✘ |
| AS210111 | Netcraft Solutions s.r.o. | ✔ | ✘ |
| AS60592 | Gransy s.r.o. | ✔ | ✘ |
| AS29504 | Freenet Liberec, z.s. | ✔ | ✘ |
| AS204384 | LLC "OTT UKRAINE" | ✔ | ✘ |
| AS56456 | C2NET s.r.o. | ✔ | ✘ |
| AS44430 | MaRcom-Eko s.r.o. | ✔ | ✘ |
| AS200070 | CZ.NIC, z.s.p.o. | ✔ | ✘ |
| AS57007 | NITEX ISP s.r.o. | ✔ | ✘ |
| AS51800 | FIBER Network s.r.o. | ✔ | ✘ |
| AS11284 | Núcleo de Inf. e Coord. do Ponto BR - NIC.BR | ✔ | ✘ |
| AS47493 | CEZNET s.r.o. | ✔ | ✘ |
| AS28892 | Cesky urad zememericky a katastralni | ✔ | ✘ |
| AS206784 | Internet Praha Josefov s.r.o. | ✔ | ✘ |
| AS43507 | RETE internet, s.r.o. | ✔ | ✘ |
| AS2484 | AFNIC (Association Francaise pour le Nommage Internet... | ✔ | ✘ |
| AS8913 | Mopos Communications A.S. | ✔ | ✘ |
| AS10906 | Núcleo de Informação e Coordenação do Ponto BR - NIC.BR | ✔ | ✘ |
| AS204409 | Prestonet s.r.o. | ✔ | ✘ |
| AS101 | University of Washington | ✔ | ✘ |
| AS197029 | LAM plus s.r.o. | ✔ | ✘ |
| AS199405 | Oslavany.NET, spolek | ✔ | ✘ |
| AS11644 | Núcleo de Inf. e Coord. do Ponto BR - NIC.BR | ✔ | ✘ |
| AS204394 | Cortex, a.s. | ✔ | ✘ |
| AS211700 | Dexus Internet s.r.o. | ✔ | ✘ |
| AS61241 | DONAU INFORMATIK s.r.o. | ✔ | ✘ |
| AS35179 | Korbank S. A. | ✔ | ✘ |
| AS209719 | Ministerstvo Obrany | ✔ | ✘ |
| AS199665 | Hana Juzkova | ✔ | ✘ |
| AS211816 | ERON X s.r.o. | ✔ | ✘ |
| AS204917 | Mi-Ja Javornik s.r.o. | ✔ | ✘ |
| AS47200 | NIX.CZ Route Servers | ✔ | ✘ |
