Loading…
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 |
| 524.3K |
| 2 |
| AS50338CZ | GAMERHOST GamerHost s.r.o. | 1K | 65.5K | 4 |
| AS204567CZ | ASPCKBnet PCKBnet s.r.o. | 1K | — | 1 |
| AS204886CZ | metro-hu Metropolitni sit Humpolec spol. s r.o. | 1K | 65.5K | 2 |
| AS205863CZ | POKORNY Stepan Pokorny | 1K | — | 2 |
| AS202551CZ | INERA INERA.CZ s.r.o. | 1K | 524.3K | 2 |
| AS203328CZ | PVfreenet PVfree.net, z. s. | 1K | 524.3K | 2 |
| AS57007CZ | ASNITEX NITEX ISP s.r.o. | 1K | 1 | 2 |
| AS51661CZ | ALLSTARNET UVT Internet s.r.o. | 1K | — | 4 |
| AS204570CZ | hornackynet KAZA.cz s.r.o. | 1K | — | 1 |
| AS198346CZ | NETFORMS-AS NETFORMS s.r.o. | 1K | 196.6K | 7 |
| AS51744CZ | ASJABLONKA Non-profit organization Jablonka.cz | 1K | 1 | 2 |
| AS203550CZ | I2NET i2net cz s.r.o. | 1K | 524.3K | 2 |
| AS60086CZ | VALVERA Valvera s.r.o. | 1K | 65.5K | 2 |
| AS199722CZ | SBERBANKCZ Sberbank CZ, a.s. v likvidaci | 1K | — | 1 |
| AS200874CZ | LBC-AS-CZ Liberecky kraj | 1K | 65.5K | 2 |
| AS202605CZ | MORNet-CZ EMPECOM, s.r.o. | 1K | 524.3K | 2 |
| AS47727CZ | WARNETCZ-AS Warnet.cz s.r.o. | 1K | 65.5K | 2 |
| AS44984CZ | Fortion Fortion Networks, s.r.o. | 1K | 65.5K | 2 |
| AS201625CZ | UNITED_NETWORKS_SE United Networks SE | 1K | 524.3K | 2 |
| AS202948CZ | PL-FORTUNA-GAME-DC FORTUNA GAME a.s. | 768 | — | 3 |
| AS203208CZ | CTU_AS4_2 Czech Telecommunication Office | 768 | 458.8K | 5 |
| AS207095CZ | SK-FORTUNA-GAME FORTUNA GAME a.s. | 768 | — | 3 |
| AS197412CZ | ASBESKYDNET Jiri Tlapak | 768 | — | 3 |
| AS199220CZ | KRS-AS-CZ KrU Stredoceskeho kraje | 768 | 1 | 3 |
| AS204007CZ | Kleissner Kleissner Investments s.r.o. | 768 | 524.3K | 4 |
| AS206712CZ | FeldHost-AS FELDSAM s.r.o. | 768 | 196.6K | 6 |
| AS57472CZ | JRNET JR-NET, s.r.o. | 768 | 65.5K | 3 |
| AS200806CZ | bee BOHEMIA ENERGY entity s.r.o. | 768 | — | 2 |
| AS199711CZ | NCISA-AS National Cyber and Information Security Agency | 768 | 65.5K | 4 |
| AS43866CZ | ALTRON Altron a.s. | 768 | — | 2 |
| AS62159CZ | ASHAPPY Happy Technik s.r.o. | 768 | — | 3 |
| AS201265CZ | ANAFRA-AS ANAFRA a.s. | 768 | 65.5K | 3 |
| AS204907CZ | AS204907 Air Bank a.s. | 768 | — | 3 |
| AS206613CZ | TIPSPORT-NET-AS Tipsport.net a.s. | 768 | 1 | 4 |
| AS34596CZ | HVfree HVfree.net servis. s.r.o. | 768 | 524.3K | 4 |
| AS30738CZ | NETART-AS NetArt Group s.r.o. | 768 | 65.5K | 5 |
| AS201931CZ | LBNET LBnet.cz s.r.o. | 768 | 65.5K | 3 |
| AS212315CZ | FTCZ-NET Frantisek Toman | 768 | 524.3K | 4 |
| AS208950CZ | ASEZPADASRO Ezpada s.r.o | 768 | — | 3 |
| AS206785CZ | BRNO Magistrat mesta Brna | 512 | 1 | 3 |
| AS25093CZ | CSAS-CZ Ceska sporitelna a.s. | 512 | — | 2 |
| AS48131CZ | IXOXI IXOXI s.r.o. | 512 | 131.1K | 4 |
| AS204668CZ | ASTANACZ ASTANA Technologies s.r.o. | 512 | 131.1K | 2 |
| AS202131CZ | Wave-net ISP Alliance a.s. | 512 | — | 1 |
| AS206234CZ | RO-FORTUNA-GAME FORTUNA GAME a.s. | 512 | — | 2 |
| AS62083CZ | FIO-BANKA-AS Fio banka, a.s. | 512 | 1 | 3 |