A list of all Czech Republic ASNs including hosting providers, ISPs, and businesses with announced IPv4 and IPv6 prefixes.
| ASN | Type | IPv4 Routes | IPv6 Routes | Company |
|---|---|---|---|---|
| AS197846 | ISP & Mobile | 2 | 0 | Radovan Ochvat trading as SAO Computers |
| AS197920 | Other Business | 2 | 0 | SKODA ICT s.r.o. |
| AS198519 | Other Business | 2 | 0 | Raiffeisenbank a.s. |
| AS200806 | Other Business | 2 | 0 | BOHEMIA ENERGY entity s.r.o. |
| AS200871 | Hosting Provider | 2 | 0 | RockawayX Infra s.r.o. |
| AS201548 | Other Business | 2 | 0 | Milan Zelenka |
| AS201934 | ISP & Mobile | 2 | 0 | HD Internet s.r.o. |
| AS204372 | Other Business | 2 | 0 | PPF banka a.s. |
| AS205863 | Other Business | 2 | 0 | Stepan Pokorny |
| AS205910 | Other Business | 2 | 0 | McKinsey & Company Inc. |
| AS206234 | Other Business | 2 | 0 | FORTUNA GAME a.s. |
| AS207850 | ISP & Mobile | 2 | 0 | HovNet-SERVIS s.r.o. |
| AS208329 | Other Business | 2 | 0 | Ceska televize |
| AS208648 | Other Business | 2 | 0 | Playground HUB s.r.o. |
| AS210604 | Other Business | 2 | 0 | Pernix systems s.r.o. |
| AS211693 | Hosting Provider | 2 | 0 | NolimitCloud s.r.o |
| AS212138 | Government | 2 | 0 | Technicke site Brno, akciova spolecnost |
| AS212453 | Other Business | 2 | 0 | FORTUNA GAME a.s. |
| AS215353 | Other Business | 2 | 0 | Josef Hrabe |
| AS215602 | Other Business | 2 | 0 | sikmo s.r.o. |
| AS25093 | Other Business | 2 | 0 | Ceska sporitelna a.s. |
| AS38952 | Other Business | 2 | 0 | MAFRA, a.s. |
| AS42726 | Other Business | 2 | 0 | BusinessCom CZ spol. s r.o. |
| AS43507 | ISP & Mobile | 2 | 0 | RETE internet, s.r.o. |
| AS43866 | Other Business | 2 | 0 | Altron a.s. |
| AS49013 | Other Business | 2 | 0 | Fusion Media, s.r.o. |
| AS49580 | Other Business | 2 | 0 | Monet +, a.s. |
| AS50980 | Hosting Provider | 2 | 0 | cloudinfrastack, s.r.o. |
| AS51968 | ISP & Mobile | 2 | 0 | NEOS v.o.s. |
| AS52058 | ISP & Mobile | 2 | 0 | za200.cz s.r.o. |
| AS56624 | ISP & Mobile | 2 | 0 | Rtyne.net s.r.o. |
| AS62011 | Other Business | 2 | 0 | UNHfree.net z.s. |
| AS197806 | Other Business | 1 | 5 | Andrei Rys |
| AS59871 | Other Business | 1 | 5 | Heureka Group a.s. |
| AS211274 | Other Business | 1 | 4 | Quadruple a.s. |
| AS210915 | Other Business | 1 | 3 | Dominik Pastorek |
| AS9053 | Hosting Provider | 1 | 3 | VSHosting s.r.o. |
| AS201922 | Hosting Provider | 1 | 2 | mapnet IT services s.r.o. |
| AS211085 | Hosting Provider | 1 | 2 | mapnet IT services s.r.o. |
| AS56821 | ISP & Mobile | 1 | 2 | KnVnet services s.r.o. |
| AS57496 | ISP & Mobile | 1 | 2 | Praha1.net z.s.p.o. |
| AS12344 | Other Business | 1 | 1 | CZECH IT CLUSTER, druzstvo |
| AS12984 | ISP & Mobile | 1 | 1 | PilsFree, z. s. |
| AS13199 | Other Business | 1 | 1 | Jaroslav Doubrava |
| AS15380 | Government | 1 | 1 | Air Navigation Services of the Czech Republic, state enterprise |
| AS196822 | ISP & Mobile | 1 | 1 | SELECT SYSTEM, s.r.o. |
| AS196943 | Other Business | 1 | 1 | Vissado s.r.o. |
| AS197197 | ISP & Mobile | 1 | 1 | CETIN a.s. |
| AS197895 | Other Business | 1 | 1 | ONYX engineering, spol. s r.o. |
| AS198002 | ISP & Mobile | 1 | 1 | CEZNET s.r.o. |
| AS198031 | Other Business | 1 | 1 | Trustica s.r.o. |
| AS198121 | Other Business | 1 | 1 | Whalebone, s.r.o. |
| AS198171 | Hosting Provider | 1 | 1 | Webglobe, s.r.o. |
| AS198282 | Other Business | 1 | 1 | CAH Building s.r.o. |
| AS198494 | Other Business | 1 | 1 | PREGIS, a.s |
| AS198500 | Education | 1 | 1 | Masarykova univerzita - Ustav vypocetni techniky |
| AS198586 | Other Business | 1 | 1 | HostNow, s.r.o. |
| AS198624 | Other Business | 1 | 1 | Petr Balek trading as Hexado.pro |
| AS198814 | ISP & Mobile | 1 | 1 | ALPHA StylSoft, s.r.o. |
| AS199298 | Other Business | 1 | 1 | Jan Stetina |
| AS199350 | Government | 1 | 1 | Ministerstvo financi |
| AS199405 | ISP & Mobile | 1 | 1 | Oslavany.NET, spolek |
| AS199490 | ISP & Mobile | 1 | 1 | INTERCONNECT s.r.o. |
| AS199600 | Hosting Provider | 1 | 1 | Virtis s.r.o. |
| AS199604 | ISP & Mobile | 1 | 1 | OLOMOUCKY KRAJ |
| AS199665 | Other Business | 1 | 1 | Hana Juzkova |
| AS199806 | Other Business | 1 | 1 | DCIT, a.s. |
| AS200070 | Other Business | 1 | 1 | CZ.NIC, z.s.p.o. |
| AS200474 | ISP & Mobile | 1 | 1 | CRFreeNet, z.s. |
| AS200600 | Other Business | 1 | 1 | Seznam.cz datova centra, s.r.o. |
| AS200635 | Other Business | 1 | 1 | pragmatel s.r.o. |
| AS200828 | Other Business | 1 | 1 | TERMS a.s. |
| AS200874 | Government | 1 | 1 | Liberecky kraj |
| AS201116 | ISP & Mobile | 1 | 1 | Vybezek.NET s.r.o. |
| AS201263 | Education | 1 | 1 | Brno University of Technology |
| AS201559 | ISP & Mobile | 1 | 1 | United Networks SE |
| AS201594 | Government | 1 | 1 | Czech Telecommunication Office |
| AS201625 | ISP & Mobile | 1 | 1 | United Networks SE |
| AS202237 | ISP & Mobile | 1 | 1 | Wic-Net, s.r.o. |
| AS202551 | Hosting Provider | 1 | 1 | INERA.CZ s.r.o. |
| AS202605 | ISP & Mobile | 1 | 1 | EMPECOM, s.r.o. |
| AS202643 | ISP & Mobile | 1 | 1 | NetSERV, s.r.o. |
| AS202657 | Other Business | 1 | 1 | Pavel Jochim |
| AS202719 | ISP & Mobile | 1 | 1 | Pranet s.r.o. |
| AS202774 | ISP & Mobile | 1 | 1 | ISP Alliance a.s. |
| AS202874 | Government | 1 | 1 | Zlinsky Kraj |
| AS202979 | Other Business | 1 | 1 | NGA Services, spol. s r.o. |
| AS202996 | Other Business | 1 | 1 | Ondrej Vrana |
| AS203299 | Other Business | 1 | 1 | NetX Networks a.s. |
| AS203328 | ISP & Mobile | 1 | 1 | PVfree.net, z. s. |
| AS203365 | ISP & Mobile | 1 | 1 | Optet network, s. r. o. |
| AS203550 | ISP & Mobile | 1 | 1 | i2net cz s.r.o. |
| AS204394 | Other Business | 1 | 1 | Cortex, a.s. |
| AS204409 | ISP & Mobile | 1 | 1 | Prestonet s.r.o. |
| AS204668 | Other Business | 1 | 1 | ASTANA Technologies s.r.o. |
| AS204772 | Government | 1 | 1 | Reditelstvi silnic a dalnic s.p. |
| AS204886 | ISP & Mobile | 1 | 1 | Metropolitni sit Humpolec spol. s r.o. |
| AS204943 | ISP & Mobile | 1 | 1 | NTV cable s.r.o. |
| AS205002 | ISP & Mobile | 1 | 1 | CUBESOL, s.r.o. |
| AS205044 | ISP & Mobile | 1 | 1 | MOSES Internet s.r.o. |