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.
715 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. | 265.5K | 11 |
| AS30764CZ | PODA-AS PODA a.s. | 219.4K | 18 |
| AS42908CZ | CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s. | 183.3K | 44 |
| 256 |
| 524.3K |
| 2 |
| AS201594CZ | CTU_AS4 Czech Telecommunication Office | 256 | 65.5K | 2 |
| AS48405CZ | CGI-CZ-AS1 CGI IT Czech Republic s.r.o. | 256 | — | 1 |
| AS56717CZ | RESAL-AS OG Soft s.r.o. | 256 | 1 | 2 |
| AS198494CZ | PREGIS PREGIS, a.s | 256 | 1 | 2 |
| AS201263CZ | AS-BRIX-CDN Brno University of Technology | 256 | 1 | 2 |
| AS206908CZ | PL-FORTUNA-GAME FORTUNA GAME a.s. | 256 | — | 1 |
| AS214886CZ | ASGREENHOSTING Green hosting s.r.o. | 256 | — | 1 |
| AS215676CZ | GOODHOST GoodHost s.r.o. | 256 | 1 | 2 |
| AS213387CZ | TESUNET TeSuNet s.r.o. | 256 | — | 1 |
| AS211274CZ | QCZ Quadruple a.s. | 256 | 262.1K | 5 |
| AS200474CZ | CRFreeNet CRFreeNet, z.s. | 256 | 65.5K | 2 |
| AS199806CZ | DCIT-AS-CZ DCIT, a.s. | 256 | 1 | 2 |
| AS215718CZ | IBAGroup IBA Group a.s. | 256 | — | 1 |
| AS207451CZ | PEARHOST-AS Ales Hruska | 256 | 1 | 2 |
| AS211594CZ | PEERNET Kleissner Investments s.r.o. | 256 | 524.3K | 2 |
| AS39453CZ | UZIS-AS Ustav zdravotnickych informaci a statistiky Ceske republiky | 256 | — | 1 |
| AS211334CZ | Master_IT_Technologies-2 MASTER IT Technologies, a.s. | 256 | — | 1 |
| AS211085CZ | amccomp-master-praha mapnet IT services s.r.o. | 256 | 524.3K | 3 |
| AS60218CZ | ASIT8 IT8 - Informacni technologie s.r.o. | 256 | 1 | 2 |
| AS206159CZ | cz-fresh Fresh Data s.r.o. | 256 | 65.5K | 2 |
| AS208143CZ | amccomp-unin mapnet IT services s.r.o. | 256 | 3 | 4 |
| AS34487CZ | southpraguenet SouthPrague.Net, z.s. | 256 | 524.3K | 2 |
| AS202643CZ | NETSERV-AS NetSERV, s.r.o. | 256 | 524.3K | 2 |
| AS213359CZ | MAZEL_BIZ_AS Jan Korinek | 256 | 524.3K | 2 |
| AS197875CZ | UNIPETROLRPA ORLEN Unipetrol RPA s.r.o. | 256 | — | 1 |
| AS213558CZ | spinoco-ushc Spinoco a.s. | 256 | — | 1 |
| AS12608CZ | IGLG-7F5-DATA IGLG Network CZ s.r.o. | 256 | 524.3K | 2 |
| AS208329CZ | Ceska_televize Ceska televize | 512 | — | 2 |
| AS60266CZ | EMBEDIT-AS EmbedIT s.r.o. | 512 | 65.6K | 7 |
| AS42726CZ | BUSINESSCOM BusinessCom CZ spol. s r.o. | 512 | — | 2 |
| AS198627CZ | SHOPTET Shoptet, a.s. | 512 | 1 | 3 |
| AS207850CZ | UstiNET-AS HovNet-SERVIS s.r.o. | 512 | — | 2 |
| AS204172CZ | TTCINFRA-CZ TTC TELEKOMUNIKACE s.r.o. | 512 | — | 1 |
| AS210604CZ | asczpernix-neza Pernix systems s.r.o. | 512 | — | 2 |
| AS51727CZ | SKODAPOWER-AS Doosan Skoda Power s.r.o | 512 | — | 1 |
| AS215602CZ | sikmo sikmo s.r.o. | 512 | — | 2 |
| AS210915CZ | DOMINIKPASTO Dominik Pastorek | 512 | 10 | 5 |
| AS49580CZ | MONETPLUS-AS Monet +, a.s. | 512 | — | 2 |
| AS208712CZ | CENDIS CENDIS, s.p. | 512 | 1 | 2 |
| AS49142CZ | HBO HBO Europe s.r.o. | 512 | — | 1 |
| AS51521CZ | ASKMNET Resident Control Telco s.r.o. | 512 | — | 1 |
| AS3161CZ | ASITPROFI IT PROFI s.r.o. | 512 | — | 1 |
| AS210061CZ | VinariceNET Ladislav Kepl | 512 | — | 1 |
| AS207696CZ | DPP-AS Dopravni podnik hl.m. Prahy, a.s. | 512 | 1 | 2 |
| AS25093CZ | CSAS-CZ Ceska sporitelna a.s. | 512 | — | 2 |
| AS214703CZ | FAKAHEDA-AS Core4Net, s.r.o. | 512 | — | 1 |