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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 |
| 65.5K |
| 2 |
| AS197353CZ | INGMS_CZ NN Management Services, s.r.o. | 1K | — | 3 |
| AS204886CZ | metro-hu Metropolitni sit Humpolec spol. s r.o. | 1K | 65.5K | 2 |
| AS198103CZ | CCS-CZ CCS Ceska spolecnost pro platebni karty s.r.o. | 1K | — | 3 |
| AS200828CZ | THOSTING-AS TERMS a.s. | 1K | 524.3K | 2 |
| AS203411CZ | FORTUNA-GAME-PUB FORTUNA GAME a.s. | 1K | — | 4 |
| AS25238CZ | MONETA-CZ MONETA Money Bank, a.s. | 1K | 1 | 5 |
| AS209834CZ | brnonet KAZA.cz s.r.o. | 1K | — | 1 |
| AS205982CZ | ASmraknet Mraknet s.r.o. | 1K | — | 1 |
| AS203328CZ | PVfreenet PVfree.net, z. s. | 1K | 524.3K | 2 |
| AS200635CZ | INTERCONNECT pragmatel s.r.o. | 1K | 65.5K | 2 |
| AS40964CZ | ASTELNET ASTELNET s.r.o. | 1.3K | — | 4 |
| AS211693CZ | NolimitNET NolimitCloud s.r.o | 1.3K | 1 | 6 |
| AS50980CZ | net3 cloudinfrastack, s.r.o. | 1.3K | — | 2 |
| AS206587CZ | daktela-cz Daktela s.r.o. | 1.3K | — | 5 |
| AS48091CZ | ROWANet-AS Kraj Vysocina | 1.3K | 65.5K | 5 |
| AS20708CZ | SKODA-AUTO SKODA AUTO a.s. | 1.3K | 1 | 4 |
| AS205535CZ | WINDYGHOUL Windyghoul s.r.o. | 1.3K | 1M | 5 |
| AS31368CZ | PROMOCOM-NET ASTELNET s.r.o. | 1.3K | — | 5 |
| AS197444CZ | COMFEEL COMFEEL s.r.o. | 1.3K | 524.3K | 5 |
| AS216006CZ | BLAZEHOST Vojtech Smrz | 1.3K | 17 | 7 |
| AS49013CZ | Fusion_Media Fusion Media, s.r.o. | 1.3K | — | 2 |
| AS206703CZ | BOXNET Netcom Solutions s.r.o. | 1.3K | — | 2 |
| AS197920CZ | SKODA-ICT SKODA ICT s.r.o. | 1.3K | — | 2 |
| AS48960CZ | MORAVANET AQUA,a.s. | 1.3K | 65.5K | 6 |
| AS212138CZ | AS_TSB Technicke site Brno, akciova spolecnost | 1.3K | — | 2 |
| AS200844CZ | SA-AS STUDENT AGENCY k.s. | 1.3K | 524.3K | 3 |
| AS198284CZ | ASBYSTRICE Mesto Velka Bystrice | 1.3K | 1 | 3 |
| AS198725CZ | ULTIMUM-AS Ultimum Technologies a.s. | 1.3K | 524.3K | 3 |
| AS51586CZ | SERVERZONECZ ServerZone s.r.o. | 1.3K | 131.1K | 4 |
| AS50338CZ | GAMERHOST GamerHost s.r.o. | 1.5K | 65.5K | 3 |
| AS203385CZ | asczpernix Pernix systems s.r.o. | 1.5K | 131.1K | 10 |
| AS199803CZ | ComSource ComSource s.r.o. | 1.5K | 65.5K | 3 |
| AS196653CZ | ASBESTNETCZ BEST-NET s.r.o. | 1.5K | 1 | 3 |
| AS197694CZ | MEPNET-AS Municipal Office of the City Prague | 1.5K | — | 2 |
| AS57825CZ | MoravanyNET-AS MoravanyNET s.r.o. | 1.5K | 65.5K | 4 |
| AS52176CZ | TTC-CZ TTC TELEKOMUNIKACE s.r.o. | 1.5K | 65.5K | 3 |
| AS209055CZ | AS_WAG W.A.G. PAYMENT SOLUTIONS, A.S. | 1.8K | 65.5K | 5 |
| AS51134CZ | INTACTO-AS Development 777 s.r.o. | 1.8K | 524.3K | 6 |
| AS209671CZ | QRATOR-SW Qrator Labs CZ s.r.o. | 1.8K | 131.1K | 6 |
| AS208962CZ | nextremum Nextremum s.r.o. | 1.8K | 524.3K | 6 |
| AS197256CZ | RENEWINKLER-AS Rene Winkler | 1.8K | — | 7 |
| AS41030CZ | ASNOVOTNYCZ Jaroslav Novotny | 1.8K | — | 7 |
| AS211248CZ | cz_artemis4 Artemis NET s.r.o. | 1.8K | 524.3K | 4 |
| AS63113CZ | GLOBECORP-NETWORKS - Globecorp Networks | 2K | — | 8 |
| AS208093CZ | msk Moravskoslezsky kraj | 2K | — | 5 |
| AS34049CZ | WOSACZ-AS H-data, spol. s r.o. | 2K | 524.3K | 5 |