Loading…
How Czechia ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Czechia over time.
The largest autonomous systems registered to Czechia by IPv4 footprint.
Czechia against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
717 autonomous systems registered to Czechia. Click an AS for detail.
| 14 |
| AS2571CZ | DHLNET - DHL Information Services (Europe) s.r.o | 438.5K | 101 |
| AS29208CZ | QUANTCOM-AS Quantcom, a.s. | 274.4K | 41 |
| AS28725CZ | CETIN-AS CETIN a.s. | 266.5K | 12 |
| AS30764CZ | PODA-AS PODA a.s. | 220.4K | 21 |
| AS42908CZ | CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s. | 183.3K | 44 |
| — |
| 0 |
| AS204543CZ | FHRNET Filip Hruska | — | — | 0 |
| AS213594CZ | TECHART TECHart systems s.r.o. | — | — | 0 |
| AS25036CZ | TERMSNET-AS O2 Czech Republic, a.s. | — | — | 0 |
| AS200717CZ | STENcz-AS ISP Alliance a.s. | — | — | 0 |
| AS197939CZ | CFLAREBG It services company s.r.o. | — | — | 0 |
| AS61169CZ | SPORKNET O2 Czech Republic, a.s. | — | — | 0 |
| AS199630CZ | MEPPR Municipal Office of the City Prague | — | — | 0 |
| AS28755CZ | HA-VEL-TRANSIT-AS ha-vel internet s.r.o. | — | — | 0 |
| AS201457CZ | KOOPERATIVA-AS2 Kooperativa pojistovna, a.s., Vienna Insurance Group | — | — | 0 |
| AS213104CZ | WIREIX FIBER TELECOM s.r.o. | — | — | 0 |
| AS22298CZ | BASTL Jan Vaclav | — | — | 0 |
| AS208845CZ | GLAVREGIONELEKTROSVYAZ-AS Telefonzentrale s.r.o. | — | — | 0 |
| AS202912CZ | PETR-HADRABA Petr Hadraba | — | — | 0 |
| AS211898CZ | vpsfree vpsFree.cz, z.s. | — | — | 0 |
| AS20884CZ | CZ-CTNET-AS O2 Czech Republic, a.s. | — | — | 0 |
| AS198586CZ | HostNow HostNow, s.r.o. | — | — | 0 |
| AS203743CZ | BroumNet ISP Alliance a.s. | — | — | 0 |
| AS212906CZ | moneroj-ca Moneroj s.r.o. | — | — | 0 |
| AS211546CZ | ODRY Mesto Odry | — | — | 0 |
| AS15512CZ | VODAFONE-CZ-AS-3 Vodafone Czech Republic a.s. | — | — | 0 |
| AS206601CZ | ZELENADATA-AS FASTER CZ spol. s r.o. | — | — | 0 |
| AS204084CZ | IX-7F5-NET-TRANSPORT IGLG Network CZ s.r.o. | — | — | 0 |
| AS50651CZ | WBD-EDGE-AS HBO Europe s.r.o. | — | — | 0 |
| AS208790CZ | Stepan-Duda Stepan Duda | — | — | 0 |
| AS213874CZ | NSIX-Route-Servers Jakub Krsa | — | — | 0 |
| AS218913CZ | TITANSOFTWARE Titan Software z.s. | — | — | 0 |
| AS50007CZ | LVNET-AS Reliable Communications s.r.o. | — | — | 0 |
| AS60208CZ | JTBANKA-AS J&T BANKA, a.s. | — | — | 0 |
| AS207272CZ | Vojtech-Linhart-Department-of-Telecom Vojtech Linhart | — | 2 | 2 |
| AS215757CZ | CARRIER-EMEA Carrier Refrigeration Operation Czech Republic s.r.o. | — | — | 0 |
| AS57823CZ | ASKKNET Libor Kotoucek | — | — | 0 |
| AS47834CZ | SOFTEXNCP-AS SOFTEX NCP, s.r.o. | — | — | 0 |
| AS207855CZ | ModernTV-Anycast SychrovNET s.r.o | — | — | 0 |
| AS211445CZ | meukralupy Mesto Kralupy nad Vltavou | — | — | 0 |
| AS200059CZ | AIRWEB-ISP ISP Alliance a.s. | — | — | 0 |
| AS197376CZ | TEST-TRANSIT-AS-IPV6PROJECT-EU Cloud4com s.r.o. | — | — | 0 |
| AS61195CZ | PEERINGCZ-AS Peering.cz s.r.o. | — | — | 0 |
| AS212204CZ | psk-cro FORTUNA GAME a.s. | — | — | 0 |
| AS210498CZ | Vysocina-hSOC Kraj Vysocina | 256 | 256 | 2 |
| AS34487CZ | southpraguenet SouthPrague.Net, z.s. | 256 | 524.3K | 2 |
| AS198494CZ | PREGIS PREGIS, a.s | 256 | 1 | 2 |
| AS203299CZ | IHNET NetX Networks a.s. | 256 | 65.5K | 2 |
| AS199806CZ | DCIT-AS-CZ DCIT, a.s. | 256 | 1 | 2 |
| AS215676CZ | GOODHOST GoodHost s.r.o. | 256 | 1 | 2 |
| AS214886CZ | ASGREENHOSTING Green hosting s.r.o. | 256 | — | 1 |
| AS210367CZ | KZCR Krajska zdravotni, a.s. | 256 | 1 | 2 |