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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.
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 |
| 1 |
| 1 |
| AS8882CZ | AS8882 AS8882 s.r.o. | — | 1 | 1 |
| AS203342CZ | RudolfNet ISP Alliance a.s. | — | — | 0 |
| AS50491CZ | ASN-CZ-PLANET-A-50491 T-Mobile Czech Republic a.s. | — | — | 0 |
| AS28755CZ | HA-VEL-TRANSIT-AS ha-vel internet s.r.o. | — | — | 0 |
| AS43708CZ | METRONET DATAMAT CZ s.r.o. | — | — | 0 |
| AS41456CZ | Smartbox-AS STARNET, s.r.o. | — | — | 0 |
| AS212325CZ | ADCSYSTEMS ADC Systems s.r.o. | — | — | 0 |
| AS202906CZ | CZ-ACR Ministerstvo Obrany | — | — | 0 |
| AS201049CZ | UNT_Cernovice UNT Cernovice NET s.r.o. | — | — | 0 |
| AS202912CZ | PETR-HADRABA Petr Hadraba | — | — | 0 |
| AS197939CZ | CFLAREBG It services company s.r.o. | — | — | 0 |