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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 |
| — |
| 13 |
| 13 |
| AS59747CZ | NIX-DR NIX.CZ z.s.p.o. | — | 1 | 1 |
| AS35361CZ | GREPNET GREPA Networks s.r.o. | — | — | 0 |
| AS210984CZ | ZEROPS-IO Zerops s.r.o. | — | 4.1K | 1 |
| AS200985CZ | BOKNET TNtech, s.r.o. | — | 65.5K | 1 |
| AS208790CZ | Stepan-Duda Stepan Duda | — | 32 | 2 |
| AS211546CZ | ODRY Mesto Odry | — | — | 0 |
| AS207576CZ | kovoplazma-as KOVO - PLAZMA s.r.o. | — | 1 | 1 |
| AS204084CZ | DATALAE IGLG Network CZ s.r.o. | — | — | 0 |
| AS216021CZ | STEVIJO-AS Stefan Johannes Mayer | — | 1 | 1 |
| AS216339CZ | Mald-Entertainment-Studio Mald Entertainment Studio, s.r.o. | — | 258 | 3 |
| AS206321CZ | startech STARTECH spol. s r.o. | — | 1 | 1 |
| AS215846CZ | Blindspot-research PRO-ZETA a.s. | — | 65.5K | 1 |
| AS214757CZ | Jakub-Krsa Jakub Krsa | — | 118 | 13 |
| AS207632CZ | SVINE Jan Betik | — | — | 0 |
| AS46553CZ | AS46553 AS46553 s.r.o. | — | 1 | 1 |
| AS205551CZ | Blepcz Blep.cz, z. s. | — | — | 0 |
| AS54444CZ | AS54444 AS54444 s.r.o. | — | 1 | 1 |
| AS35136CZ | LVIV-IX-AS Global Tech Distribution s.r.o. | — | — | 0 |
| AS207272CZ | Vojtech-Linhart-Department-of-Telecom Vojtech Linhart | — | 2 | 2 |
| AS215777CZ | CINCURA Jiri Cincura | — | 1 | 1 |
| AS61973CZ | OLEKSANDRA-AS Netassist International s.r.o. | — | — | 0 |
| AS60275CZ | AS_RVTECH RVTech s.r.o. | — | 1 | 1 |
| AS203072CZ | DomaTV DomaTV s.r.o. | — | — | 0 |
| AS207583CZ | technologicke-centrum-as Technologicke centrum a.s. | — | 1 | 1 |
| AS20884CZ | CZ-CTNET-AS O2 Czech Republic, a.s. | — | — | 0 |
| AS204216CZ | netsearch netsearch s.r.o. | — | — | 0 |
| AS209431CZ | Pharocom PharoCom s.r.o. | — | 524.3K | 1 |
| AS210401CZ | Batlify_Internet Batlify Internet s.r.o. | — | 1 | 1 |
| AS213813CZ | MASON-CZ-AS MaSON z. s. | — | 1 | 1 |
| AS201348CZ | sizeknet SIZEK Networks s.r.o | — | — | 0 |
| AS62176CZ | EZETRADING EZE a.s. | — | — | 0 |
| AS208845CZ | GLAVREGIONELEKTROSVYAZ-AS Telefonzentrale s.r.o. | — | — | 0 |
| AS204405CZ | DurnetCZ Durnet.cz sro | — | 65.5K | 1 |
| AS214952CZ | MJANIK-AS mjanik.net s.r.o. | — | 65.5K | 1 |
| AS207575CZ | brabeczc-as Zahradnicke centrum Brabec, s.r.o. | — | 1 | 1 |
| AS200848CZ | luminet2 ISP Alliance a.s. | — | — | 0 |
| AS211445CZ | meukralupy Mesto Kralupy nad Vltavou | — | 65.5K | 1 |
| AS209692CZ | czfoxconn FOXCONN CZ s.r.o. | — | — | 0 |
| AS204150CZ | StormHost David Zakoucky | — | 18 | 18 |
| AS197376CZ | TEST-TRANSIT-AS-IPV6PROJECT-EU Cloud4com s.r.o. | — | — | 0 |
| AS210436CZ | ASITGLOBE IT Globe s.r.o. | — | 1 | 1 |
| AS207391CZ | EDGROUP E LINKX a.s. | — | — | 0 |
| AS215582CZ | ipv6project-eu Jan Kalista | — | 1 | 1 |
| AS8747CZ | Dial_Telecom-special Quantcom, a.s. | — | — | 0 |
| AS8882CZ | AS8882 AS8882 s.r.o. | — | 1 | 1 |
| AS208816CZ | AS208816 It services company s.r.o. | — | 65.5K | 1 |