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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 |
| 2K |
| 524.3K |
| 2 |
| AS60529CZ | PRASLAVICENET Miroslav Klement | 2K | — | 1 |
| AS201648CZ | PLZ-AS-CZ Plzensky kraj | 2K | 65.5K | 3 |
| AS31461CZ | MORAVIA-IT-AS Moravia IT s.r.o. | 2K | — | 1 |
| AS6881CZ | NIXCZ NIX.CZ z.s.p.o. | 2.3K | 65.5K | 3 |
| AS204080CZ | MEG-AS Apelby Solutions s.r.o. | 2.3K | — | 5 |
| AS43757CZ | ICZAS-CZ ICZ a.s. | 2.3K | 1 | 3 |
| AS202877CZ | vejnet VEJNET.CZ s.r.o. | 2.3K | 524.3K | 7 |
| AS198248CZ | ASCSERVIS Richard Filip | 2.3K | 1 | 3 |
| AS207945CZ | CNI CNI Group s.r.o. | 2.3K | 524.3K | 4 |
| AS50301CZ | ASN-BRAZDIMNET BrazdimNET s.r.o. | 2.3K | 524.3K | 3 |
| AS35096CZ | ALEFNULA Alef Nula a.s. | 2.3K | 1 | 5 |
| AS200449CZ | QRATOR-CZ Qrator Labs CZ s.r.o. | 2.3K | 13 | 22 |
| AS204949CZ | CMIS CMIS s.r.o. | 2.6K | — | 7 |
| AS52130CZ | ARTCOMPANYCZ Livesport s.r.o. | 2.6K | 1 | 3 |
| AS47131CZ | PH PH, spol. s r. o. | 2.6K | — | 3 |
| AS52154CZ | ASMJANIK mjanik.net s.r.o. | 2.6K | — | 3 |
| AS209369CZ | TCPRO The Cloud Provider s.r.o. | 2.6K | 589.8K | 7 |
| AS208414CZ | WEDOS-GLOBAL WEDOS Internet, a.s. | 2.6K | 100 | 110 |
| AS44712CZ | eHAMnet-AS eHAMnet, s.r.o. | 2.6K | 524.3K | 3 |
| AS51331CZ | ModernTV SychrovNET s.r.o | 2.6K | 768 | 10 |
| AS198977CZ | UNART UnArtel s.r.o. | 2.6K | 262.1K | 3 |
| AS52058CZ | petrkovice_net za200.cz s.r.o. | 2.6K | — | 2 |
| AS60606CZ | Blindspot PRO-ZETA a.s. | 2.8K | 65.5K | 8 |
| AS51424CZ | ASAGNET Jiri Sperl | 2.8K | — | 6 |
| AS21241CZ | MUZO-AS Global Payments Europe, s.r.o. | 2.8K | — | 3 |
| AS59970CZ | AMIGONET AmigoNet s.r.o. | 3.1K | 1M | 5 |
| AS56624CZ | ASRTYNENET Rtyne.net s.r.o. | 3.1K | — | 2 |
| AS203018CZ | Pamico PAMICO CZECH, s.r.o. | 3.1K | 524.3K | 3 |
| AS210139CZ | DPT DPT s.r.o. | 3.1K | 524.3K | 3 |
| AS43037CZ | SEZNAM-CZ Seznam.cz, a.s. | 3.1K | 65.5K | 12 |
| AS34955CZ | ASVICENIK Martin Vicenik | 3.1K | — | 12 |
| AS47317CZ | WEB4CE Web4ce, s.r.o. | 3.1K | 524.3K | 3 |
| AS43614CZ | ECONOMIA-CZ Economia a.s. | 3.1K | 65.5K | 3 |
| AS198161CZ | CZ-SUAS Sokolovska uhelna, pravni nastupce, a.s. | 3.1K | 65.5K | 3 |
| AS198167CZ | AppToCloud Apptc.me s.r.o. | 3.1K | 65.5K | 10 |
| AS62178CZ | Master_IT_Technologies MASTER IT Technologies, a.s. | 3.1K | 16.4K | 13 |
| AS56973CZ | VITSOL VITKOVICE IT SOLUTIONS a.s. | 3.1K | 256 | 3 |
| AS48364CZ | ACVYSKOV-AS Radim Pytela trading as AC Vyskov | 3.1K | 65.5K | 3 |
| AS197046CZ | AS_FIXNET FIXNET s.r.o. | 3.1K | 65.5K | 3 |
| AS57077CZ | AB-NET AB-NET s.r.o. | 3.1K | 65.5K | 3 |
| AS196861CZ | DIGIACT-AS DIGITAL ACTION s.r.o. | 3.1K | 65.5K | 3 |
| AS49025CZ | PROZETA-NET PRO-ZETA a.s. | 3.3K | 4.1K | 8 |
| AS199657CZ | TOUSKOVNET TNtech, s.r.o. | 3.3K | — | 4 |
| AS197879CZ | HELAPC HelaPC s.r.o. | 3.3K | 1M | 5 |
| AS34911CZ | ASELDATA ELDATA prazska s.r.o. | 3.6K | — | 5 |
| AS57707CZ | GREENDATA Greendata s.r.o. | 3.6K | 65.5K | 8 |