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How Czechia ranks worldwide on dormant space, the transfer market, routing security and address density.
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.
714 autonomous systems registered to Czechia. Click an AS for detail.
| 11 |
| AS2571CZ | DHLNET - DHL Information Services (Europe) s.r.o | 438.5K | 100 |
| AS29208CZ | QUANTCOM-AS Quantcom, a.s. | 274.4K | 41 |
| AS28725CZ | CETIN-AS CETIN a.s. | 265.2K | 10 |
| AS30764CZ | PODA-AS PODA a.s. | 220.4K | 21 |
| AS42908CZ | CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s. | 183.3K | 44 |
| — |
| — |
| 0 |
| AS43895CZ | ZENTIVA-NET Zentiva Group, a.s | — | — | 0 |
| AS206270CZ | TNETCZ-AS ISP Alliance a.s. | — | — | 0 |
| AS216241CZ | VSB_CZ Vysoka skola banska - Technicka univerzita Ostrava | — | — | 0 |
| AS207887CZ | FIOBANKA-AS Fio banka, a.s. | — | — | 0 |
| AS210325CZ | Airnetworks ISP Alliance a.s. | — | — | 0 |
| AS44672CZ | DataSpring3 Cloud4com s.r.o. | — | — | 0 |
| AS213776CZ | ASTELECONNECT TeleConnect CZ s.r.o. | — | — | 0 |
| AS212325CZ | ADCSYSTEMS ADC Systems s.r.o. | — | — | 0 |
| AS41456CZ | Smartbox-AS STARNET, s.r.o. | — | — | 0 |
| AS60275CZ | AS_RVTECH RVTech s.r.o. | — | 1 | 1 |
| AS211445CZ | meukralupy Mesto Kralupy nad Vltavou | — | 65.5K | 1 |
| AS47627CZ | NIXSK-RS NIX.CZ z.s.p.o. | — | — | 0 |
| AS207700CZ | Reliable-Communications Reliable Communications s.r.o. | — | — | 0 |
| AS2605CZ | CESNET CESNET z.s.p.o. | — | — | 0 |
| AS47834CZ | SOFTEXNCP-AS SOFTEX NCP, s.r.o. | — | — | 0 |
| AS43708CZ | METRONET DATAMAT CZ s.r.o. | — | — | 0 |
| AS212074CZ | FEELA-NET Ondrej Filip | — | — | 0 |
| AS52095CZ | NETASSIST-Greece Netassist International s.r.o. | — | — | 0 |
| AS50491CZ | ASN-CZ-PLANET-A-50491 T-Mobile Czech Republic a.s. | — | — | 0 |
| AS21142CZ | PRAGONET-TRANSIT-AS T-Mobile Czech Republic a.s. | — | — | 0 |
| AS204543CZ | FHRNET Filip Hruska | — | — | 0 |
| AS213395CZ | NTXN NetX Networks a.s. | — | — | 0 |
| AS200068CZ | stepech Stepan Pechman | — | — | 0 |
| AS203450CZ | LogicPrim Edera Group a.s. | — | — | 0 |
| AS206321CZ | startech STARTECH spol. s r.o. | — | 1 | 1 |
| AS57158CZ | ASMELVI ISP Alliance a.s. | — | — | 0 |
| AS49931CZ | SITKOM-AS STARNET, s.r.o. | — | — | 0 |
| AS35214CZ | CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s. | — | — | 0 |
| AS29401CZ | SUPERNETWORKSK-AS SH.cz s.r.o. | — | — | 0 |
| AS198668CZ | Tlapnet Tlapnet s.r.o. | — | — | 0 |
| AS205004CZ | AS_HCnet HCNET s.r.o. | — | — | 0 |
| AS12608CZ | DATALABS-TRANSPORT-AS IGLG Network CZ s.r.o. | — | — | 0 |
| AS207575CZ | brabeczc-as Zahradnicke centrum Brabec, s.r.o. | — | 1 | 1 |
| AS51463CZ | ASFAJNCOMCZ FAJNCOM s.r.o. | — | — | 0 |
| AS215777CZ | CINCURA Jiri Cincura | — | 1 | 1 |
| AS29113CZ | VODAFONE-CZ-AS-5 Vodafone Czech Republic a.s. | — | — | 0 |
| AS215571CZ | ITIXO ITIXO s.r.o. | — | — | 0 |
| AS213927CZ | FIBERCZ FIBER CONNECTIONS s.r.o. | — | — | 0 |
| AS215757CZ | CARRIER-EMEA Carrier Refrigeration Operation Czech Republic s.r.o. | — | — | 0 |
| AS210811CZ | AKSYSTEM AK SYSTEM s.r.o. | — | — | 0 |
| AS213813CZ | MASON-CZ-AS MaSON z. s. | — | 1 | 1 |
| AS211890CZ | PROFISMS-AS ProfiSMS s.r.o. | — | — | 0 |
| AS202733CZ | OKCOMP OK COMP s.r.o. | — | 1 | 1 |
| AS34070CZ | DATIN-AS BACKER COMPUTER s.r.o. | — | — | 0 |
| AS209431CZ | Pharocom PharoCom s.r.o. | — | 524.3K | 1 |
| AS201049CZ | UNT_Cernovice UNT Cernovice NET s.r.o. | — | — | 0 |