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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 |
| 256 |
| 65.5K |
| 2 |
| AS198624CZ | Hexado Petr Balek trading as Hexado.pro | 256 | 513 | 4 |
| AS198121CZ | DNS4EU Whalebone, s.r.o. | 256 | 1 | 2 |
| AS199059CZ | MauriceWard Maurice Ward & Co., s.r.o. | 256 | — | 1 |
| AS206591CZ | ALZACZ-AS Alza.cz a.s. | 256 | — | 1 |
| AS62298CZ | CSC Computer Systems Consulting s.r.o. | 256 | 524.3K | 2 |
| AS209719CZ | CZ-MOD Ministerstvo Obrany | 256 | 1 | 2 |
| AS215354CZ | ENTRANOVA-AS ENTRANOVA IT s.r.o. | 256 | — | 1 |
| AS210984CZ | ZEROPS-IO Zerops s.r.o. | 256 | 4.1K | 2 |
| AS199604CZ | KU-AS OLOMOUCKY KRAJ | 256 | 1 | 2 |
| AS213387CZ | TESUNET TeSuNet s.r.o. | 256 | — | 1 |
| AS197875CZ | UNIPETROLRPA ORLEN Unipetrol RPA s.r.o. | 256 | — | 1 |
| AS213359CZ | MAZEL_BIZ_AS Jan Korinek | 256 | 524.3K | 2 |
| AS204183CZ | Omnivery-EU Omnivery s.r.o. | 256 | — | 1 |
| AS196762CZ | ASALKOM ALKOM Security, a.s. | 256 | — | 1 |
| AS44104CZ | LCJ-AS LCJ Invest, a.s. | 256 | — | 1 |
| AS210498CZ | Vysocina-hSOC Kraj Vysocina | 256 | 256 | 2 |
| AS211334CZ | Master_IT_Technologies-2 MASTER IT Technologies, a.s. | 256 | — | 1 |
| AS198494CZ | PREGIS PREGIS, a.s | 256 | 1 | 2 |
| AS39453CZ | UZIS-AS Ustav zdravotnickych informaci a statistiky Ceske republiky | 256 | — | 1 |
| AS12608CZ | IGLG-7F5-DATA IGLG Network CZ s.r.o. | 256 | 524.3K | 2 |
| AS208143CZ | amccomp-unin mapnet IT services s.r.o. | 256 | 3 | 4 |
| AS215260CZ | EmeraldG-Net Emerald Group s.r.o. | 256 | — | 1 |
| AS197806CZ | STRLCAT Andrei Rys | 256 | 37 | 8 |
| AS50097CZ | IPVOIP-AS IPVOIP s.r.o. | 256 | — | 1 |
| AS203299CZ | IHNET NetX Networks a.s. | 256 | 65.5K | 2 |
| AS51278CZ | IGNUM-ANYCAST-AS Webglobe, s.r.o. | 256 | 1 | 2 |
| AS56891CZ | ASCZRB Narodni rozvojova banka, a.s. | 256 | — | 1 |
| AS48405CZ | CGI-CZ-AS1 CGI IT Czech Republic s.r.o. | 256 | — | 1 |
| AS199665CZ | RADIOLINKplus1-NETWORK Hana Juzkova | 256 | 1 | 2 |
| AS204150CZ | StormHost David Zakoucky | 256 | 18 | 19 |
| AS201263CZ | AS-BRIX-CDN Brno University of Technology | 256 | 1 | 2 |
| AS206908CZ | PL-FORTUNA-GAME FORTUNA GAME a.s. | 256 | — | 1 |
| AS41359CZ | TELEFONZENTRALE-AS Telefonzentrale s.r.o. | 256 | — | 1 |
| AS201594CZ | CTU_AS4 Czech Telecommunication Office | 256 | 65.5K | 2 |
| AS213559CZ | asmybv1 MyOffice, s.r.o. | 256 | 524.3K | 2 |
| AS206468CZ | TREBORADICENET-AS Treboradice.net z.s. | 256 | 65.5K | 2 |
| AS207354CZ | TeleConnect Teleconnect CZ s.r.o. | 256 | — | 1 |
| AS28892CZ | CUZK-NET Cesky urad zememericky a katastralni | 256 | 1 | 2 |
| AS199806CZ | DCIT-AS-CZ DCIT, a.s. | 256 | 1 | 2 |
| AS34487CZ | southpraguenet SouthPrague.Net, z.s. | 256 | 524.3K | 2 |
| AS205026CZ | WVG-CLOUD-AS wvg solution s.r.o. | 256 | — | 1 |
| AS211085CZ | amccomp-master-praha mapnet IT services s.r.o. | 256 | 524.3K | 3 |
| AS215676CZ | GOODHOST GoodHost s.r.o. | 256 | 1 | 2 |
| AS212859CZ | KronosNet KXCOMM s.r.o. | 256 | 524.3K | 2 |
| AS214032CZ | BUDOVIT BUDOVIT s.r.o | 256 | 1 | 2 |
| AS200646CZ | BHSEC-PRG BH securities, a.s. | 256 | — | 1 |