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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 |
| AS215571CZ | ITIXO ITIXO s.r.o. | — | — | 0 |
| AS61169CZ | SPORKNET O2 Czech Republic, a.s. | — | — | 0 |
| AS218386CZ | RO-FORTUNA-GAME-HQ FORTUNA GAME a.s. | — | — | 0 |
| AS206344CZ | AUKRO Fortion Networks, s.r.o. | — | — | 0 |
| AS15485CZ | GTSNOVERA T-Mobile Czech Republic a.s. | — | — | 0 |
| AS60143CZ | BR-IX-RS Brno University of Technology | — | — | 0 |
| AS199630CZ | MEPPR Municipal Office of the City Prague | — | — | 0 |
| AS212906CZ | moneroj-ca Moneroj s.r.o. | — | — | 0 |
| AS21142CZ | PRAGONET-TRANSIT-AS T-Mobile Czech Republic a.s. | — | — | 0 |
| AS198586CZ | HostNow HostNow, s.r.o. | — | — | 0 |
| AS212325CZ | ADCSYSTEMS ADC Systems s.r.o. | — | — | 0 |
| AS34070CZ | DATIN-AS BACKER COMPUTER s.r.o. | — | — | 0 |
| AS211193CZ | Tlapnet-CZ-AS Jiri Tlapak | — | — | 0 |