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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.
717 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. | 266.5K | 12 |
| AS30764CZ | PODA-AS PODA a.s. | 220.4K | 21 |
| AS42908CZ | CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s. | 183.3K | 44 |
| 1K |
| 1 |
| 2 |
| AS209621CZ | dobnet DOBNET, z.s. | 1K | 524.3K | 2 |
| AS48889CZ | GLOBECORP-AS-CZ GLOBECORP a.s. | 1K | — | 1 |
| AS196952CZ | ASBEZVANET BEZVANET s.r.o. | 1K | 65.5K | 4 |
| AS13199CZ | DOUBRAVA-NET Jaroslav Doubrava | 1K | 524.3K | 2 |
| AS208060CZ | DRMAX-BDC Dr. Max BDC, s.r.o. | 1K | 524.3K | 4 |
| AS60086CZ | VALVERA Valvera s.r.o. | 1K | 65.5K | 2 |
| AS205982CZ | ASmraknet Mraknet s.r.o. | 1K | — | 1 |
| AS56353CZ | FIRSTLINE-AS First Line Software s.r.o. | 1K | — | 1 |
| AS29504CZ | LBCFREE Freenet Liberec, z.s. | 1K | 524.3K | 2 |
| AS204351CZ | NAM NAM system, a.s. | 1K | — | 4 |
| AS25238CZ | MONETA-CZ MONETA Money Bank, a.s. | 1K | 1 | 5 |
| AS47681CZ | RIOMEDIA O2 Czech Republic, a.s. | 1K | — | 1 |
| AS209135CZ | FlowmonNetworks Flowmon Networks a.s. | 1K | 65.5K | 4 |
| AS199405CZ | OSLAVANY-NET-AS Oslavany.NET, spolek | 1K | 65.5K | 2 |
| AS200635CZ | INTERCONNECT pragmatel s.r.o. | 1K | 65.5K | 2 |
| AS59925CZ | GIGASERVER Seonet Multimedia s.r.o. | 1K | 65.5K | 2 |
| AS56827CZ | ASMIRNETCZ mirnet s.r.o. | 1K | — | 1 |
| AS59871CZ | HEUREKA_GROUP Heureka Group a.s. | 1K | 5 | 6 |
| AS57560CZ | ASXLNET XLNET s.r.o. | 1K | 1 | 3 |
| AS200828CZ | THOSTING-AS TERMS a.s. | 1K | 524.3K | 2 |
| AS206287CZ | LYSAFREE-NET LysaFree, z.s. | 1K | — | 1 |
| AS203550CZ | I2NET i2net cz s.r.o. | 1K | 524.3K | 2 |
| AS204567CZ | ASPCKBnet PCKBnet s.r.o. | 1K | — | 1 |
| AS204570CZ | hornackynet KAZA.cz s.r.o. | 1K | — | 1 |
| AS201608CZ | HovNet-AS HovNet-SERVIS s.r.o. | 1K | 65.5K | 4 |
| AS202874CZ | ZL-AS-CZ Zlinsky Kraj | 1K | 524.3K | 2 |
| AS20643CZ | CZ-PILSFREESERVIS-AS PilsFree servis, s.r.o. | 1K | 524.3K | 2 |
| AS56344CZ | ASVIRIDIUM Viridium.cz s.r.o. | 1K | 1 | 5 |
| AS201533CZ | UNITED_NETWORKS_SE United Networks SE | 1K | — | 1 |
| AS60727CZ | K2-cloud K2 atmitec s.r.o. | 1K | — | 1 |
| AS50415CZ | Ahosting Ahosting a.s. | 1K | 524.3K | 2 |
| AS204372CZ | PPFBANKA PPF banka a.s. | 1K | — | 2 |
| AS57904CZ | ASVEVYNET Vevynet s.r.o. | 1K | — | 1 |
| AS49573CZ | ASJIMMY JimmyNet s.r.o. | 1K | 524.3K | 2 |
| AS207015CZ | POSITION Position s.r.o. | 1K | 65.5K | 2 |
| AS203376CZ | MAILKIT Mailkit s.r.o. | 1K | 524.3K | 6 |
| AS44770CZ | SAVVY-AS Savvy s.r.o. | 1K | 1 | 2 |
| AS12984CZ | PILSFREE PilsFree, z. s. | 1K | 524.3K | 2 |
| AS51744CZ | ASJABLONKA Non-profit organization Jablonka.cz | 1K | 1 | 2 |
| AS205044CZ | MOSES MOSES Internet s.r.o. | 1K | 524.3K | 2 |
| AS203645CZ | RYZNAR-AS Jan Ryznar | 1K | 3.6K | 27 |
| AS204943CZ | NTVcable NTV cable s.r.o. | 1K | 524.3K | 2 |
| AS201559CZ | UNITED_NETWORKS_SE United Networks SE | 1K | 262.1K | 2 |
| AS203328CZ | PVfreenet PVfree.net, z. s. | 1K | 524.3K | 2 |
| AS51449CZ | KTUO-AS Kabelova televize Usti nad Orlici, spol. s r. o. | 1K | 65.5K | 5 |
| AS44984CZ | Fortion Fortion Networks, s.r.o. | 1K | 65.5K | 2 |