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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 |
| 256 |
| 1 |
| 2 |
| AS198586CZ | HostNow HostNow, s.r.o. | 256 | 1 | 2 |
| AS199604CZ | KU-AS OLOMOUCKY KRAJ | 256 | 1 | 2 |
| AS210498CZ | Vysocina-hSOC Kraj Vysocina | 256 | 256 | 2 |
| AS50097CZ | IPVOIP-AS IPVOIP s.r.o. | 256 | — | 1 |
| AS9053CZ | VSHOSTING-CDN VSHosting s.r.o. | 256 | 3 | 4 |
| AS197806CZ | STRLCAT Andrei Rys | 256 | 165 | 9 |
| AS51278CZ | IGNUM-ANYCAST-AS Webglobe, s.r.o. | 256 | 1 | 2 |
| AS206159CZ | cz-fresh Fresh Data s.r.o. | 256 | 65.5K | 2 |
| AS207231CZ | FuturNET-AS FuturNET, s.r.o. | 256 | 524.3K | 2 |
| AS49244CZ | SCANCOM Scancom s.r.o. | 256 | 524.3K | 2 |
| AS203299CZ | IHNET NetX Networks a.s. | 256 | 65.5K | 2 |
| AS206468CZ | TREBORADICENET-AS Treboradice.net z.s. | 256 | 65.5K | 2 |
| AS200070CZ | CZNIC-AS2 CZ.NIC, z.s.p.o. | 256 | 2 | 3 |
| AS202643CZ | NETSERV-AS NetSERV, s.r.o. | 256 | 524.3K | 2 |
| AS28892CZ | CUZK-NET Cesky urad zememericky a katastralni | 256 | 1 | 2 |
| AS213387CZ | TESUNET TeSuNet s.r.o. | 256 | — | 1 |
| AS199806CZ | DCIT-AS-CZ DCIT, a.s. | 256 | 1 | 2 |
| AS56891CZ | ASCZRB Narodni rozvojova banka, a.s. | 256 | — | 1 |
| AS201922CZ | amccomp-turany mapnet IT services s.r.o. | 256 | 2 | 3 |
| AS60584CZ | PRIME-AS Prime Studio s.r.o. | 256 | 524.3K | 2 |
| AS215718CZ | IBAGroup IBA Group a.s. | 256 | — | 1 |
| AS60724CZ | SICUROCZ Sicuro Services s. r. o. | 256 | — | 1 |
| AS202996CZ | Helkor Ondrej Vrana | 256 | 256 | 2 |
| AS211137CZ | ISPSERVICES ISP Services spol. s.r.o., | 256 | — | 1 |
| AS196943CZ | ASVISSADO Vissado s.r.o. | 256 | 1 | 2 |
| AS15380CZ | ANSCZ Air Navigation Services of the Czech Republic, state enterprise | 256 | 1 | 2 |
| AS209719CZ | CZ-MOD Ministerstvo Obrany | 256 | 1 | 2 |
| AS205064CZ | rockawayx-uae RockawayX Infra s.r.o. | 256 | — | 1 |
| AS211274CZ | QCZ Quadruple a.s. | 256 | 262.1K | 5 |
| AS212859CZ | KronosNet KXCOMM s.r.o. | 256 | 524.3K | 2 |
| AS207354CZ | TeleConnect Teleconnect CZ s.r.o. | 256 | — | 1 |
| AS199665CZ | RADIOLINKplus1-NETWORK Hana Juzkova | 256 | 1 | 2 |
| AS34487CZ | southpraguenet SouthPrague.Net, z.s. | 256 | 524.3K | 2 |
| AS212362CZ | TREFCON-NET INERA.CZ s.r.o. | 256 | 65.5K | 2 |
| AS214032CZ | BUDOVIT BUDOVIT s.r.o | 256 | 1 | 2 |
| AS198494CZ | PREGIS PREGIS, a.s | 256 | 1 | 2 |
| AS214886CZ | ASGREENHOSTING Green hosting s.r.o. | 256 | — | 1 |
| AS200646CZ | BHSEC-PRG BH securities, a.s. | 256 | — | 1 |
| AS215354CZ | ENTRANOVA-AS ENTRANOVA IT s.r.o. | 256 | — | 1 |
| AS215676CZ | GOODHOST GoodHost s.r.o. | 256 | 1 | 2 |
| AS211816CZ | ASERONX ERON X s.r.o. | 256 | — | 1 |
| AS60218CZ | ASIT8 IT8 - Informacni technologie s.r.o. | 256 | 1 | 2 |
| AS211334CZ | Master_IT_Technologies-2 MASTER IT Technologies, a.s. | 256 | — | 1 |
| AS49262CZ | ATCCZ1 Ataccama Software, s.r.o. | 256 | 524.3K | 2 |
| AS196849CZ | ASBARTYSOVA MO BYRTUS s.r.o. | 256 | — | 1 |
| AS215260CZ | EmeraldG-Net Emerald Group s.r.o. | 256 | — | 1 |