| Prefix | Description | |
|---|---|---|
![]() ![]() | 31.15.8.0/21 | ACTIVE 24, s.r.o. |
![]() ![]() | 45.10.97.0/24 | ACTIVE 24, s.r.o. |
![]() ![]() | 81.95.96.0/20 | ACTIVE 24, s.r.o. |
![]() ![]() | 185.12.196.0/22 | ACTIVE 24, s.r.o. |
![]() ![]() | 185.71.159.0/24 | - |
![]() ![]() | 2a02:250:3::/48 | - |
![]() ![]() | 2a02:4a8::/32 | ACTIVE 24, s.r.o. |
![]() ![]() | 2a10:bbc0::/32 | ACTIVE 24, s.r.o. |


| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
![]() | AS29208 | Quantcom, a.s. | ✔ | ✔ |
![]() | AS46475 | Limestone Networks, Inc. | ✔ | ✔ |
![]() | AS199803 | ComSource s.r.o. | ✔ | ✔ |
![]() | AS6939 | Hurricane Electric LLC | ✘ | ✔ |
![]() | AS41528 | Loopia AB | ✔ | ✔ |
![]() | AS58003 | Planeetta Internet Oy | ✔ | ✔ |
![]() | AS51013 | WebSupport s.r.o. | ✔ | ✔ |

| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
![]() | AS46475 | Limestone Networks, Inc. | ✔ | ✔ |
![]() | AS29208 | Quantcom, a.s. | ✔ | ✔ |
![]() | AS6939 | Hurricane Electric LLC | ✘ | ✔ |
![]() | AS199803 | ComSource s.r.o. | ✔ | ✔ |
![]() | AS39570 | Loopia AB | ✘ | ✔ |
![]() | AS58003 | Planeetta Internet Oy | ✔ | ✔ |
![]() | AS5405 | Inter.link GmbH | ✔ | ✔ |
![]() | AS41528 | Loopia AB | ✔ | ✔ |
![]() | AS51013 | WebSupport s.r.o. | ✔ | ✔ |
![]() | AS8218 | Zayo Europe | ✔ | ✔ |
![]() | AS24940 | Hetzner Online GmbH | ✔ | ✔ |
![]() | AS6204 | INTERKVM HOST SRL | ✔ | ✔ |
![]() | AS49544 | i3D.net B.V | ✔ | ✔ |
![]() | AS14840 | BR.DIGITAL | ✔ | ✘ |
![]() | AS22356 | Durand do Brasil Ltda | ✔ | ✘ |
![]() | AS24482 | SG.GS | ✔ | ✔ |
![]() | AS1764 | Next Layer Telecommunications | ✔ | ✔ |
![]() | AS9498 | Bharti Airtel Ltd. | ✔ | ✘ |
![]() | AS40994 | Alwyzon (Hohl IT) | ✔ | ✔ |
![]() | AS50698 | TETA s.r.o. | ✔ | ✔ |
![]() | AS32590 | Valve Corporation | ✔ | ✔ |
![]() | AS2852 | CESNET z.s.p.o. | ✔ | ✘ |
![]() | AS21430 | WIA spol. s.r.o. | ✔ | ✘ |
![]() | AS42473 | Anexia Cloud Solutions GmbH | ✔ | ✔ |
![]() | AS36236 | NetActuate, Inc | ✔ | ✔ |
![]() | AS199524 | Gcore S.A. | ✔ | ✔ |
![]() | AS16019 | Vodafone Czech Republic a.s. | ✔ | ✘ |
![]() | AS4455 | IX Reach Ltd | ✔ | ✘ |
![]() | AS53062 | ALT | GRUPO BRASIL TECPAR | ✔ | ✘ |
![]() | AS6663 | Türk Telekom International | ✘ | ✔ |

| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
![]() | AS39570 | Loopia AB | ✘ | ✔ |
aut-num:AS25234as-name: ACTIVE24-ASdescr: http://www.active24.cz/descr: Czech Republicorg:ORG-GA5-RIPEremarks: +---------------------------------------------------remarks: | Upstream connectivity |remarks: +---------------------------------------------------remarks: *** ComSource***import: fromAS199803 action pref=70; accept ANYexport: toAS199803 announceAS-ACTIVE24mp-import: afi ipv6.unicast fromAS199803 accept ANYmp-export: afi ipv6.unicast toAS199803 announceAS-ACTIVE24remarks: *** Quantcom ***import: fromAS29208 action pref=50; accept ANYexport: toAS29208 announceAS-ACTIVE24mp-import: afi ipv6.unicast fromAS29208 accept ANYmp-export: afi ipv6.unicast toAS29208 announceAS-ACTIVE24remarks: +---------------------------------------------------remarks: | Transit customers |remarks: +---------------------------------------------------remarks: *** Loopia ***import: fromAS39570 acceptAS39570export: toAS39570 announce ANYremarks: +---------------------------------------------------remarks: | NIX peerings - IPv4 |remarks: +---------------------------------------------------remarks: **AS112 project **import: fromAS112 accept ANYexport: toAS112 announceAS-ACTIVE24remarks: ** CESNET **import: fromAS2852 accept ANYexport: toAS2852 announceAS-ACTIVE24remarks: ** Atrato IP Networks **import: fromAS5580 accept ANYexport: toAS5580 announceAS-ACTIVE24remarks: ** CT **import: fromAS5610 accept ANYexport: toAS5610 announceAS-ACTIVE24remarks: ** NIX **import: fromAS6881 accept ANYexport: toAS6881 announceAS-ACTIVE24remarks: ** HE - Hurricane Electric **import: fromAS6939 accept ANYexport: toAS6939 announceAS-ACTIVE24remarks: ** NFX **import: fromAS8251 accept ANYexport: toAS8251 announceAS-ACTIVE24remarks: ** Mopos **import: fromAS8913 accept ANYexport: toAS8913 announceAS-ACTIVE24remarks: ** SelfServis **import: fromAS12570 accept ANYexport: toAS12570 announceAS-ACTIVE24remarks: ** Pragonet **import: fromAS12767 accept ANYexport: toAS12767 announceAS-ACTIVE24remarks: ** T-mobile **import: fromAS13036 accept ANYexport: toAS13036 announceAS-ACTIVE24remarks: ** BT **import: fromAS15494 accept ANYexport: toAS15494 announceAS-ACTIVE24remarks: ** dragon.cz internet **import: fromAS15614 accept ANYexport: toAS15614 announceAS-ACTIVE24remarks: ** Casablanca **import: fromAS15685 accept ANYexport: toAS15685 announceAS-ACTIVE24remarks: ** havel **import: fromAS15935 accept ANYexport: toAS15935 announceAS-ACTIVE24remarks: ** Oskar **import: fromAS16019 accept ANYexport: toAS16019 announceAS-ACTIVE24remarks: ** CLNET **import: fromAS16246 accept ANYexport: toAS16246 announceAS-ACTIVE24remarks: ** MGI **import: fromAS20723 accept ANYexport: toAS20723 announceAS-ACTIVE24remarks: ** WIA **import: fromAS21430 accept ANYexport: toAS21430 announceAS-ACTIVE24remarks: ** InternetCZ **import: fromAS24806 accept ANYexport: toAS24806 announceAS-ACTIVE24remarks: ** Master **import: fromAS24971 accept ANYexport: toAS24971 announceAS-ACTIVE24remarks: ** TERMS **import: fromAS25036 accept ANYexport: toAS25036 announceAS-ACTIVE24remarks: ** CZ.NIC **import: fromAS25192 accept ANYexport: toAS25192 announceAS-ACTIVE24remarks: ** CRA **import: fromAS25248 accept ANYexport: toAS25248 announceAS-ACTIVE24remarks: ** Internext2000 **import: fromAS25424 accept ANYexport: toAS25424 announceAS-ACTIVE24remarks: ** CDT **import: fromAS25512 accept ANYexport: toAS25512 announceAS-ACTIVE24remarks: ** fortech **import: fromAS28851 accept ANYexport: toAS28851 announceAS-ACTIVE24remarks: ** M-SOFT **import: fromAS28972 accept ANYexport: toAS28972 announceAS-ACTIVE24remarks: ** Gity **import: fromAS29086 accept ANYexport: toAS29086 announceAS-ACTIVE24remarks: ** Ignum **import: fromAS29134 accept ANYexport: toAS29134 announceAS-ACTIVE24remarks: ** Dial Telecom **import: fromAS29208 accept ANYexport: toAS29208 announceAS-ACTIVE24remarks: ** Centronet **import: fromAS29321 accept ANYexport: toAS29321 announceAS-ACTIVE24remarks: ** F.root **import: fromAS30134 accept ANYexport: toAS30134 announceAS-ACTIVE24remarks: ** PODA **import: fromAS30764 accept ANYexport: toAS30764 announceAS-ACTIVE24remarks: ** SMART Comp a.s **import: fromAS31246 accept ANYexport: toAS31246 announceAS-ACTIVE24remarks: ** TRIOPTIMUM **import: fromAS33883 accept ANYexport: toAS33883 announceAS-ACTIVE24remarks: ** miramo **import: fromAS34080 accept ANYexport: toAS34080 announceAS-ACTIVE24remarks: ** oxid **import: fromAS35214 accept ANYexport: toAS35214 announceAS-ACTIVE24remarks: ** NETWAY **import: fromAS35236 accept ANYexport: toAS35236 announceAS-ACTIVE24remarks: ** GREPA **import: fromAS35361 accept ANYexport: toAS35361 announceAS-ACTIVE24remarks: ** CoolHousing **import: fromAS35592 accept ANYexport: toAS35592 announceAS-ACTIVE24remarks: ** Trestel SK **import: fromAS38949 accept ANYexport: toAS38949 announceAS-ACTIVE24remarks: ** mafra **import: fromAS38952 accept ANYexport: toAS38952 announceAS-ACTIVE24remarks: ** SuperNetwork **import: fromAS39392 accept ANYexport: toAS39392 announceAS-ACTIVE24remarks: ** Web4U **import: fromAS39790 accept ANYexport: toAS39790 announceAS-ACTIVE24remarks: ** ovanet **import: fromAS39817 accept ANYexport: toAS39817 announceAS-ACTIVE24remarks: ** Coprosys **import: fromAS39906 accept ANYexport: toAS39906 announceAS-ACTIVE24remarks: ** i3B GmbH **import: fromAS39912 accept ANYexport: toAS39912 announceAS-ACTIVE24remarks: ** BKS Capital Partners (NejTV) **import: fromAS41046 accept ANYexport: toAS41046 announceAS-ACTIVE24remarks: ** N-SYS s.r.o. **import: fromAS41088 accept ANYexport: toAS41088 announceAS-ACTIVE24remarks: ** Visual Connection **import: fromAS41711 accept ANYexport: toAS41711 announceAS-ACTIVE24remarks: ** Global Inspiration **import: fromAS42000 accept ANYexport: toAS42000 announceAS-ACTIVE24remarks: ** Blue4 s.r.o. **import: fromAS42306 accept ANYexport: toAS42306 announceAS-ACTIVE24remarks: ** Seznam.cz **import: fromAS43037 accept ANYexport: toAS43037 announceAS-ACTIVE24remarks: ** jaw.cz **import: fromAS43070 accept ANYexport: toAS43070 announceAS-ACTIVE24remarks: ** New Telekom **import: fromAS43413 accept ANYexport: toAS43413 announceAS-ACTIVE24remarks: ** Centrum Holdings **import: fromAS43614 accept ANYexport: toAS43614 announceAS-ACTIVE24remarks: ** IJC s.r.o. **import: fromAS43708 accept ANYexport: toAS43708 announceAS-ACTIVE24remarks: ** GRAPE SC, a.s. **import: fromAS47232 accept ANYexport: toAS47232 announceAS-ACTIVE24remarks: ** SUPRO **import: fromAS47868 accept ANYexport: toAS47868 announceAS-ACTIVE24remarks: ** tetanet.cz **import: fromAS50698 accept ANYexport: toAS50698 announceAS-ACTIVE24remarks: ** 4connect.cz **import: fromAS51025 accept ANYexport: toAS51025 announceAS-ACTIVE24remarks: ** Sauron **import: fromAS57279 accept ANYexport: toAS57279 announceAS-ACTIVE24remarks: **AS197197 M.NET Studenka **import: fromAS197197 accept ANYexport: toAS197197 announceAS-ACTIVE24remarks: ** pantel **import: fromAS197284 accept ANYexport: toAS197284 announceAS-ACTIVE24remarks: +---------------------------------------------------remarks: | NIX peerings - IPv6 |remarks: +---------------------------------------------------remarks: ** CESNET **mp-import: afi ipv6.unicast fromAS2852 accept ANYmp-export: afi ipv6.unicast toAS2852 announceAS-ACTIVE24remarks: ** Skynet **mp-import: afi ipv6.unicast fromAS5407 accept ANYmp-export: afi ipv6.unicast toAS5407 announceAS-ACTIVE24remarks: ** Atrato IP Networks **mp-import: afi ipv6.unicast fromAS5580 accept ANYmp-export: afi ipv6.unicast toAS5580 announceAS-ACTIVE24remarks: ** UPC **mp-import: afi ipv6.unicast fromAS6830 accept ANYmp-export: afi ipv6.unicast toAS6830 announceAS-ACTIVE24remarks: ** NIX **mp-import: afi ipv6.unicast fromAS6881 accept ANYmp-export: afi ipv6.unicast toAS6881 announceAS-ACTIVE24remarks: ** HE - Hurricane Electric **mp-import: afi ipv6.unicast fromAS6939 accept ANYmp-export: afi ipv6.unicast toAS6939 announceAS-ACTIVE24remarks: ** NFX **mp-import: afi ipv6.unicast fromAS8251 accept ANYmp-export: afi ipv6.unicast toAS8251 announceAS-ACTIVE24remarks: ** ipex.cz **mp-import: afi ipv6.unicast fromAS9080 accept ANYmp-export: afi ipv6.unicast toAS9080 announceAS-ACTIVE24remarks: ** dragon.cz **mp-import: afi ipv6.unicast fromAS15614 accept ANYmp-export: afi ipv6.unicast toAS15614 announceAS-ACTIVE24remarks: ** vodafone.cz **mp-import: afi ipv6.unicast fromAS16019 accept ANYmp-export: afi ipv6.unicast toAS16019 announceAS-ACTIVE24remarks: ** WIA **mp-import: afi ipv6.unicast fromAS21430 accept ANYmp-export: afi ipv6.unicast toAS21430 announceAS-ACTIVE24remarks: ** INTERNET CZ **mp-import: afi ipv6.unicast fromAS24806 accept ANYmp-export: afi ipv6.unicast toAS24806 announceAS-ACTIVE24remarks: ** master.cz **mp-import: afi ipv6.unicast fromAS24971 accept ANYmp-export: afi ipv6.unicast toAS24971 announceAS-ACTIVE24remarks: ** NIC.CZ **mp-import: afi ipv6.unicast fromAS25192 accept ANYmp-export: afi ipv6.unicast toAS25192 announceAS-ACTIVE24remarks: ** cdt.cz **mp-import: afi ipv6.unicast fromAS25512 accept ANYmp-export: afi ipv6.unicast toAS25512 announceAS-ACTIVE24remarks: ** ignum.cz **mp-import: afi ipv6.unicast fromAS29134 accept ANYmp-export: afi ipv6.unicast toAS29134 announceAS-ACTIVE24remarks: ** dialtelecom.cz **mp-import: afi ipv6.unicast fromAS29208 accept ANYmp-export: afi ipv6.unicast toAS29208 announceAS-ACTIVE24remarks: ** poda.cz **mp-import: afi ipv6.unicast fromAS30764 accept ANYmp-export: afi ipv6.unicast toAS30764 announceAS-ACTIVE24remarks: ** maxprogres.cz **mp-import: afi ipv6.unicast fromAS34315 accept ANYmp-export: afi ipv6.unicast toAS34315 announceAS-ACTIVE24remarks: ** coolhousing.net **mp-import: afi ipv6.unicast fromAS35592 accept ANYmp-export: afi ipv6.unicast toAS35592 announceAS-ACTIVE24remarks: ** web4u **mp-import: afi ipv6.unicast fromAS39790 accept ANYmp-export: afi ipv6.unicast toAS39790 announceAS-ACTIVE24remarks: ** OVANET **mp-import: afi ipv6.unicast fromAS39817 accept ANYmp-export: afi ipv6.unicast toAS39817 announceAS-ACTIVE24remarks: ** i3b ascus **mp-import: afi ipv6.unicast fromAS39912 accept ANYmp-export: afi ipv6.unicast toAS39912 announceAS-ACTIVE24remarks: ** visual.cz **mp-import: afi ipv6.unicast fromAS41711 accept ANYmp-export: afi ipv6.unicast toAS41711 announceAS-ACTIVE24remarks: ** losan.cz **mp-import: afi ipv6.unicast fromAS41824 accept ANYmp-export: afi ipv6.unicast toAS41824 announceAS-ACTIVE24remarks: ** Kaora **mp-import: afi ipv6.unicast fromAS42000 accept ANYmp-export: afi ipv6.unicast toAS42000 announceAS-ACTIVE24remarks: ** Centrum Holdings **mp-import: afi ipv6.unicast fromAS43614 accept ANYmp-export: afi ipv6.unicast toAS43614 announceAS-ACTIVE24remarks: ** 4connect.cz **mp-import: afi ipv6.unicast fromAS51025 accept ANYmp-export: afi ipv6.unicast toAS51025 announceAS-ACTIVE24remarks: +---------------------------------------------------remarks: | We filter the following bogus networks: |remarks: | 10.0.0.0/8 |remarks: | 127.0.0.0/8 |remarks: | 172.16.0.0/12 |remarks: | 192.168.0.0/16 |remarks: | 224.0.0.0/3 |remarks: | Operational issues 24x7: noc@active24.cz |remarks: +---------------------------------------------------admin-c: DUMY-RIPEtech-c: DUMY-RIPEstatus: ASSIGNEDmnt-by: RIPE-NCC-END-MNTmnt-by: MNT-ACTIVE24-CZcreated: 2002-09-09T09:57:27Zlast-modified: 2025-01-15T15:07:18Zsource: RIPEremarks: ****************************remarks: * THIS OBJECT IS MODIFIEDremarks: * Please note that all data that is generally regarded as personalremarks: * data has been removed from this object.remarks: * To view the original object, please query the RIPE Database at:remarks: * http://www.ripe.net/whoisremarks: ****************************organisation:ORG-GA5-RIPEorg-name: ACTIVE 24, s.r.o.country: CZorg-type: LIRaddress: Dummy address forORG-GA5-RIPE# Email removed, Log into bgp.tools to see whois emailsabuse-c: ATD8-RIPEmnt-ref: RIPE-NCC-HM-MNTmnt-ref: MNT-ACTIVE24-CZmnt-by: RIPE-NCC-HM-MNTmnt-by: MNT-ACTIVE24-CZcreated: 2004-04-17T11:04:25Zlast-modified: 2020-12-16T13:17:06Zsource: RIPEremarks: ****************************remarks: * THIS OBJECT IS MODIFIEDremarks: * Please note that all data that is generally regarded as personalremarks: * data has been removed from this object.remarks: * To view the original object, please query the RIPE Database at:remarks: * http://www.ripe.net/whoisremarks: ****************************Last Update: 2025-11-25T03:25:01Z UTC
| - | Member |
|---|---|
| RIPE | as24971:as-mai-nix-peer |
| RIPE | as-globecz-nix |
| ARIN | as-limestone |
| RIPE | as42000:as-nixcz-peerings |
| RIPE | as12552:as-gcnet |
| LEVEL3 | as-sprint-origins |
| LEVEL3 | as-level3-origins-eu |
| RIPE | as-41528 |
| LEVEL3 | as-level3-origins-na |
| RIPE | as-active24-cz |
| RIPE | as-to2-nix-peer |
| RADB | as-hurricanev6 |
| RIPE | as-active24-cz:as-local |
| RIPE | as-43413_nt-nix |
| RIPE | as58003:as-all |
| RIPE | as-websupport |
| RADB | as-pnapnym |
| RIPE | as-cesnet-nix-peers |
| RIPE | as-tele2-se |
| RIPE | as-selectel-msk |
| RADB | as-hurricane |
| RIPE | as-active24 |
| RIPE | as-transroute-spec |
| RADB | as174:as-cogc-033 |
| RIPE | as8251:as-nix-peerings |
IPv4: 10
IPv6: 5