| Prefix | Description | |
|---|---|---|
![]() ![]() | 80.211.192.0/19 | Cloud Services CZ1 |
![]() ![]() | 81.2.192.0/18 | INTERNET CZ, a.s. |
![]() ![]() | 85.255.0.0/20 | Cloud Services CZ1 |
![]() ![]() | 185.28.100.0/22 | INTERNET CZ, a.s. |
![]() ![]() | 185.33.144.0/22 | BlazeArts Kft. |
![]() ![]() | 185.129.136.0/22 | INTERNET CZ, a.s. |
![]() ![]() | 185.186.20.0/22 | AlphaNet spolka z o. o. |
![]() ![]() | 193.105.157.0/24 | ASPone, s.r.o. |
![]() ![]() | 193.105.158.0/23 | ASPone, s.r.o. |
![]() ![]() | 194.182.64.0/19 | Aruba S.p.A. |
![]() ![]() | 195.181.208.0/20 | INTERNET CZ, a.s. |
![]() ![]() | 2001:15e8::/32 | INTERNET CZ, a.s. |


| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
![]() | AS1299 | Arelion (fka. Telia Carrier) | ✔ | ✔ |
![]() | AS174 | Cogent Communications, LLC | ✔ | ✔ |
![]() | AS16019 | Vodafone Czech Republic a.s. | ✔ | ✘ |
![]() | AS6939 | Hurricane Electric LLC | ✘ | ✔ |
![]() | AS19905 | Vercara, LLC | ✔ | ✘ |

| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
![]() | AS1299 | Arelion (fka. Telia Carrier) | ✔ | ✔ |
![]() | AS174 | Cogent Communications, LLC | ✔ | ✔ |
![]() | AS6939 | Hurricane Electric LLC | ✔ | ✔ |
![]() | AS5405 | Inter.link GmbH | ✔ | ✔ |
![]() | AS16019 | Vodafone Czech Republic a.s. | ✔ | ✔ |
![]() | AS8218 | Zayo Europe | ✔ | ✔ |
![]() | AS6204 | INTERKVM HOST SRL | ✔ | ✔ |
![]() | AS24940 | Hetzner Online GmbH | ✔ | ✔ |
![]() | AS14840 | BR.DIGITAL | ✔ | ✘ |
![]() | AS22356 | Durand do Brasil Ltda | ✔ | ✘ |
![]() | AS49544 | i3D.net B.V | ✔ | ✔ |
![]() | AS1764 | Next Layer Telecommunications | ✔ | ✔ |
![]() | AS15576 | NTS workspace AG | ✔ | ✘ |
![]() | AS24482 | SG.GS | ✔ | ✔ |
![]() | AS9498 | Bharti Airtel Ltd. | ✔ | ✘ |
![]() | AS47692 | Nessus GmbH | ✔ | ✘ |
![]() | AS4455 | IX Reach Ltd | ✔ | ✘ |
![]() | AS32590 | Valve Corporation | ✔ | ✔ |
![]() | AS50698 | TETA s.r.o. | ✔ | ✔ |
![]() | AS40994 | Alwyzon (Hohl IT) | ✔ | ✔ |
![]() | AS21430 | WIA spol. s.r.o. | ✔ | ✘ |
![]() | AS57344 | Telehouse EAD | ✔ | ✘ |
![]() | AS8447 | A1 Telekom Austria AG | ✔ | ✘ |
![]() | AS2852 | CESNET z.s.p.o. | ✔ | ✘ |
![]() | AS6663 | Türk Telekom International | ✔ | ✔ |
![]() | AS199524 | Gcore S.A. | ✔ | ✔ |
![]() | AS42473 | Anexia Cloud Solutions GmbH | ✔ | ✔ |
![]() | AS36236 | NetActuate, Inc | ✔ | ✔ |
![]() | AS9009 | M247 Europe SRL | ✔ | ✘ |
![]() | AS34779 | T-2, d.o.o. | ✔ | ✘ |
![]() | AS53062 | ALT | GRUPO BRASIL TECPAR | ✔ | ✘ |
![]() | AS1820 | WNET TELECOM USA Corp. | ✔ | ✘ |
![]() | AS44901 | Belcloud LTD | ✔ | ✘ |
![]() | AS21215 | UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd | ✔ | ✘ |
![]() | AS19905 | Vercara, LLC | ✔ | ✘ |
aut-num:AS24806org:ORG-ICa1-RIPEas-name: INTERNET-CZdescr: Ktis 2, 384 03 Ktis, CZremarks: # upstream: importimport: fromAS174 accept ANYimport: fromAS16019 accept ANYimport: fromAS1299 accept ANYremarks: # upstream: exportexport: toAS174 announceAS-INTERNETCZexport: toAS16019 announceAS-INTERNETCZexport: toAS1299 announceAS-INTERNETCZremarks: # peering at NIX.cz Prague: importimport: fromAS1257 acceptAS-TELE2import: fromAS1902 acceptAS-CTT-ITimport: fromAS2686 acceptAS-IGNEMEAimport: fromAS2819 acceptAS-GTSCZ-NIXimport: fromAS2852 acceptAS-CESNETimport: fromAS5407 acceptAS5407import: fromAS5610 acceptAS-CTIOLimport: fromAS6881 acceptAS-NIXimport: fromAS8422 acceptAS-NETCOLOGNEimport: fromAS8593 acceptAS8593import: fromAS8747 acceptAS-INWAYimport: fromAS8913 acceptAS8913import: fromAS9080 acceptAS-GIN-NIXimport: fromAS9148 acceptAS-TGCZ-NIXimport: fromAS12306 acceptAS-PLUSLINEimport: fromAS12570 acceptAS12570import: fromAS12767 acceptAS-PRAGONET-NIXimport: fromAS13036 acceptAS13036import: fromAS15494 acceptAS-BTCZimport: fromAS15685 acceptAS-CASABLANCAimport: fromAS15935 acceptAS-HA-VEL-CZNIXimport: fromAS16019 acceptAS16019import: fromAS16075 acceptAS-ETELGROUPimport: fromAS16246 acceptAS16246import: fromAS20723 acceptAS20723import: fromAS21430 acceptAS21430import: fromAS21435 acceptAS21435import: fromAS24930 acceptAS-CECOMCZ-NIXimport: fromAS24971 acceptAS-MASTERCZ-CZNIXimport: fromAS25192 acceptAS25192import: fromAS25234 acceptAS25234import: fromAS25248 acceptAS-BLUETONE-CUSTimport: fromAS25424 acceptAS25424import: fromAS25512 acceptAS25512import: fromAS28725 acceptAS28725import: fromAS29086 acceptAS29086import: fromAS29134 acceptAS29134import: fromAS29208 acceptas-dialtelecomimport: fromAS29321 acceptAS-CentroNetimport: fromAS30134 acceptAS30134import: fromAS31246 acceptAS-NETBOX-CZNIXimport: fromAS33883 acceptAS33883remarks: # peering at NIX.cz Prague: exportexport: toAS1257 announceAS-INTCZ-NIXexport: toAS1902 announceAS-INTCZ-NIXexport: toAS2686 announceAS-INTCZ-NIXexport: toAS2819 announceAS-INTCZ-NIXexport: toAS2852 announceAS-INTCZ-NIXexport: toAS5407 announceAS-INTCZ-NIXexport: toAS5610 announceAS-INTCZ-NIXexport: toAS6706 announceAS-INTCZ-NIXexport: toAS6881 announceAS-INTCZ-NIXexport: toAS8422 announceAS-INTCZ-NIXexport: toAS8593 announceAS-INTCZ-NIXexport: toAS8747 announceAS-INTCZ-NIXexport: toAS8913 announceAS-INTCZ-NIXexport: toAS9080 announceAS-INTCZ-NIXexport: toAS9148 announceAS-INTCZ-NIXexport: toAS12306 announceAS-INTCZ-NIXexport: toAS12570 announceAS-INTCZ-NIXexport: toAS12767 announceAS-INTCZ-NIXexport: toAS13036 announceAS-INTCZ-NIXexport: toAS15494 announceAS-INTCZ-NIXexport: toAS15685 announceAS-INTCZ-NIXexport: toAS15935 announceAS-INTCZ-NIXexport: toAS16019 announceAS-INTCZ-NIXexport: toAS16075 announceAS-INTCZ-NIXexport: toAS16246 announceAS-INTCZ-NIXexport: toAS20723 announceAS-INTCZ-NIXexport: toAS21430 announceAS-INTCZ-NIXexport: toAS21435 announceAS-INTCZ-NIXexport: toAS24930 announceAS-INTCZ-NIXexport: toAS24971 announceAS-INTCZ-NIXexport: toAS25192 announceAS-INTCZ-NIXexport: toAS25234 announceAS-INTCZ-NIXexport: toAS25248 announceAS-INTCZ-NIXexport: toAS25424 announceAS-INTCZ-NIXexport: toAS25512 announceAS-INTCZ-NIXexport: toAS28725 announceAS-INTCZ-NIXexport: toAS29086 announceAS-INTCZ-NIXexport: toAS29134 announceAS-INTCZ-NIXexport: toAS29208 announceAS-INTCZ-NIXexport: toAS29321 announceAS-INTCZ-NIXexport: toAS30134 announceAS-INTCZ-NIXexport: toAS31246 announceAS-INTCZ-NIXexport: toAS33883 announceAS-INTCZ-NIXremarks: # peering at SIX.sk Bratislava: importimport: fromAS2607 acceptAS2607import: fromAS5578 acceptAS5578import: fromAS5628 acceptAS5628import: fromAS6658 acceptAS6658import: fromAS6726 acceptAS6726import: fromAS6855 acceptAS6855import: fromAS6862 acceptAS6862import: fromAS8264 acceptAS8264import: fromAS8620 acceptAS8620import: fromAS8778 acceptAS8778import: fromAS12426 acceptAS12426import: fromAS12508 acceptAS12508import: fromAS12905 acceptAS12905import: fromAS15955 acceptAS15955import: fromAS15962 acceptAS15962import: fromAS16160 acceptAS16160import: fromAS16295 acceptAS16295import: fromAS16367 acceptAS16367import: fromAS20579 acceptAS20579import: fromAS21019 acceptAS21019import: fromAS21460 acceptAS21460import: fromAS24744 acceptAS24744import: fromAS24930 acceptAS-CECOMCZ-SIXimport: fromAS25496 acceptAS25496import: fromAS29208 acceptAS29208import: fromAS29405 acceptAS29405import: fromAS31117 acceptAS31117import: fromAS31127 acceptAS31127import: fromAS31679 acceptAS31679remarks: # peering at SIX.sk Bratislava: exportexport: toAS2607 announceAS-INTERNETCZexport: toAS5578 announceAS-INTERNETCZexport: toAS5628 announceAS-INTERNETCZexport: toAS6658 announceAS-INTERNETCZexport: toAS6726 announceAS-INTERNETCZexport: toAS6855 announceAS-INTERNETCZexport: toAS6862 announceAS-INTERNETCZexport: toAS8264 announceAS-INTERNETCZexport: toAS8620 announceAS-INTERNETCZexport: toAS8778 announceAS-INTERNETCZexport: toAS12426 announceAS-INTERNETCZexport: toAS12508 announceAS-INTERNETCZexport: toAS12905 announceAS-INTERNETCZexport: toAS15955 announceAS-INTERNETCZexport: toAS15962 announceAS-INTERNETCZexport: toAS16160 announceAS-INTERNETCZexport: toAS16295 announceAS-INTERNETCZexport: toAS16367 announceAS-INTERNETCZexport: toAS20579 announceAS-INTERNETCZexport: toAS21019 announceAS-INTERNETCZexport: toAS21460 announceAS-INTERNETCZexport: toAS24744 announceAS-INTERNETCZexport: toAS24930 announceAS-INTERNETCZexport: toAS25496 announceAS-INTERNETCZexport: toAS29208 announceAS-INTERNETCZexport: toAS29405 announceAS-INTERNETCZexport: toAS31117 announceAS-INTERNETCZexport: toAS31127 announceAS-INTERNETCZexport: toAS31679 announceAS-INTERNETCZremarks: # peering at BIX.hu Budapest: importimport: fromAS5507 acceptAS-BIXremarks: # peering at BIX.hu Budapest: exportexport: toAS5507 announceAS-INTERNETCZremarks: peering contact: peering@forpsi.comremarks: noc contact: noc@forpsi.comadmin-c: DUMY-RIPEtech-c: DUMY-RIPEstatus: ASSIGNEDmnt-by: RIPE-NCC-END-MNTmnt-by: INTERNET-CZ-MNTcreated: 2002-09-24T10:40:59Zlast-modified: 2025-03-20T15:09:39Zsource: 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-ICa1-RIPEorg-name: INTERNET CZ, a.s.country: CZorg-type: LIRaddress: Dummy address forORG-ICa1-RIPEmnt-ref: INTERNET-CZ-MNTmnt-ref: RIPE-NCC-HM-MNTmnt-by: RIPE-NCC-HM-MNTmnt-by: INTERNET-CZ-MNTabuse-c: ICZ-RIPEcreated: 2004-04-17T11:04:30Zlast-modified: 2025-04-25T07:33:27Zsource: RIPE# Email removed, Log into bgp.tools to see whois emailsremarks: ****************************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: 2025-11-25T03:25:00Z UTC
| - | Member |
|---|---|
| RIPE | as-cecomczcust-transit |
| RIPE | as-sixstip-set |
| RIPE | as-43413_nt-nix |
| RIPE | as-sitel-wix |
| RIPE | as-intcz-nix |
| RIPE | as-ewsk-six |
| RIPE | as-cesnet-nix-peers |
| RIPE | as-bix-v6 |
| RADB | as-udos |
| RIPE | as-infostrada |
| RIPE | as-plix6 |
| RIPE | as-plix-connected |
| RIPE | as5578:as-sixpeers |
| RADB | as-btn-customers |
| RIPE | as8508:as-sask-upc-in |
| RIPE | as-primanetsixpeers |
| RIPE | as8251:as-nix-peerings |
| RIPE | as-interoute |
| RIPE | as24971:as-mai-nix-peer |
| RIPE | as-energotel_six_peers |
| RIPE | as-sixsk-members |
| RIPE | as42000:as-nixcz-peerings |
| RIPE | as-emaxsixpeers |
| LEVEL3 | as-sprint-origins |
| LEVEL3 | as-level3-origins-eu |
| RIPE | as-internetcz |
| RIPE | as-windtre |
| RIPE | as-cecomczcust-sk |
| LEVEL3 | as-level3-origins-na |
| RIPE | as-to2-nix-peer |
| RADB | as-hurricanev6 |
| RIPE | as-plix |
IPv4: 20
IPv6: 10
| Name | IPv4 | IPv6 | Link Speed | |
|---|---|---|---|---|
![]() ![]() | NIX.CZ | 91.210.16.166 | 2001:7f8:14::53:2 | 50 gbps |
![]() | Equinix Warsaw | 195.182.218.64 | 2001:7f8:42::a502:4806:1 | 1000 mbps |
![]() | BiX | 2001:7f8:35::2:4806:1 | 1000 mbps | |
![]() | BiX | 193.188.137.140 | 1000 mbps | |
![]() | SIX.SK | 192.108.148.195 | 2001:7f8:2f::195 | 1000 mbps |
![]() ![]() | NIX.SK | 194.30.187.165 | 2001:7f8:91::9:1 | 1000 mbps |
![]() ![]() | NIX.CZ | 91.210.16.165 | 2001:7f8:14::53:1 | n/a |