Explore all 718 Autonomous System Numbers (ASNs) in Czechia along with the organizations that manage them. View routing details, peers, upstreams, downstreams, and network connections for each ASN. Access this information quickly using the Country Lookup Tool.
| AS Number | Description | IPv4 Routes | IPv6 Routes |
|---|---|---|---|
| AS207451 | ASN of PEARHOST.cz, CZ | 1 | 1 |
| AS209680 | JetBrains, s. r. o., CZ | 0 | 0 |
| AS35592 | Coolhousing s.r.o., CZ | 31 | 4 |
| AS205910 | McKinsey & Company Inc., CZ | 3 | 0 |
| AS60266 | EmbedIT s.r.o., CZ | 2 | 5 |
| AS8747 | Quantcom, a.s., CZ | 0 | 0 |
| AS51968 | NEOS v.o.s., CZ | 2 | 0 |
| AS41456 | STARNET, s.r.o., CZ | 0 | 0 |
| AS206414 | TechCenter s.r.o., CZ | 4 | 0 |
| AS50698 | TETA s.r.o., CZ | 9 | 3 |
| AS213395 | NetX Networks a.s., CZ | 0 | 0 |
| AS201761 | ISP Alliance a.s., CZ | 0 | 0 |
| AS207198 | Kabelova televize Koprivnice, s.r.o., CZ | 3 | 1 |
| AS25234 | ACTIVE 24, s.r.o., CZ | 5 | 3 |
| AS202237 | Wic Net, s.r.o., CZ | 1 | 1 |
| AS21241 | Global Payments Europe, s.r.o., CZ | 3 | 0 |
| AS56891 | Narodni rozvojova banka, a.s., CZ | 1 | 0 |
| AS197393 | ISP Alliance a.s., CZ | 2 | 1 |
| AS57496 | Praha1.net z.s.p.o., CZ | 1 | 2 |
| AS198031 | Trustica s.r.o., CZ | 1 | 1 |
| AS21142 | T Mobile Czech Republic a.s., CZ | 0 | 0 |
| AS198564 | STARNET, s.r.o., CZ | 0 | 0 |
| AS211193 | Jiri Tlapak, CZ | 0 | 0 |
| AS197550 | Internet4you.cz, spol. s r.o., CZ | 1 | 0 |
| AS51331 | SychrovNET s.r.o, CZ | 7 | 3 |
| AS204064 | CEZNET s.r.o., CZ | 5 | 1 |
| AS15685 | CASABLANCA INT a.s., CZ | 59 | 1 |
| AS35096 | Alef Nula a.s., CZ | 4 | 1 |
| AS199490 | INTERCONNECT s.r.o., CZ | 2 | 1 |
| AS50975 | KYOCERA AVX Components s.r.o., CZ | 1 | 0 |
| AS206587 | Daktela s.r.o., CZ | 5 | 0 |
| AS206177 | SitePark s.r.o., CZ | 1 | 7 |
| AS207887 | Fio banka, a.s., CZ | 0 | 0 |
| AS211248 | Artemis NET s.r.o., CZ | 3 | 1 |
| AS196873 | Netlancers s.r.o., CZ | 1 | 0 |
| AS210498 | Kraj Vysocina, CZ | 1 | 1 |
| AS206784 | Internet Praha Josefov s.r.o., CZ | 1 | 1 |
| AS206785 | Magistrat mesta Brna, CZ | 2 | 1 |
| AS52154 | mjanik.net s.r.o., CZ | 8 | 0 |
| AS198519 | Raiffeisenbank a.s., CZ | 2 | 0 |
| AS59871 | Heureka Group a.s., CZ | 1 | 5 |
| AS204570 | KAZA.cz s.r.o., CZ | 1 | 0 |
| AS210325 | ISP Alliance a.s., CZ | 0 | 0 |
| AS29583 | Spinoco a.s., CZ | 9 | 0 |
| AS57279 | Sauron CZ s.r.o., CZ | 3 | 1 |
| AS13199 | Jaroslav Doubrava, CZ | 1 | 1 |
| AS214032 | BUDOVIT s.r.o, CZ | 2 | 1 |
| AS59479 | GEMNET s.r.o., CZ | 3 | 1 |
| AS60724 | Sicuro Services s. r. o., CZ | 1 | 0 |
| AS57294 | Internet Expert s.r.o., CZ | 2 | 1 |
| AS44430 | MaRcom Eko s.r.o., CZ | 1 | 0 |
| AS57472 | JR NET, s.r.o., CZ | 2 | 1 |
| AS201922 | mapnet IT services s.r.o., CZ | 1 | 1 |
| AS203328 | PVfree.net, z. s., CZ | 1 | 1 |
| AS2605 | CESNET z.s.p.o., CZ | 0 | 0 |
| AS21082 | Reliable Communications s.r.o., CZ | 3 | 0 |
| AS48131 | IXOXI s.r.o., CZ | 2 | 2 |
| AS206548 | ZCOM.cz s.r.o, CZ | 5 | 1 |
| AS206613 | Tipsport.net a.s., CZ | 3 | 1 |
| AS200646 | BH securities, a.s., CZ | 1 | 0 |
| AS210061 | Ladislav Kepl, CZ | 1 | 0 |
| AS200874 | Liberecky kraj, CZ | 1 | 1 |
| AS54444 | AS54444 s.r.o., CZ | 0 | 1 |
| AS212074 | Ondrej Filip, CZ | 0 | 0 |
| AS202895 | TFnet s.r.o., CZ | 10 | 1 |
| AS39736 | ICT Support, s.r.o., CZ | 3 | 1 |
| AS206270 | ISP Alliance a.s., CZ | 0 | 0 |
| AS41509 | Patria Finance, a.s., CZ | 0 | 0 |
| AS197046 | FIXNET s.r.o., CZ | 2 | 1 |
| AS13036 | T Mobile Czech Republic a.s., CZ | 34 | 3 |
| AS204860 | NetX Networks a.s., CZ | 7 | 9 |
| AS25036 | O2 Czech Republic, a.s., CZ | 0 | 0 |
| AS25238 | MONETA Money Bank, a.s., CZ | 4 | 1 |
| AS22298 | Jan Vaclav, CZ | 0 | 0 |
| AS51025 | VSHosting s.r.o., CZ | 1 | 0 |
| AS204183 | Omnivery s.r.o., CZ | 1 | 0 |
| AS48405 | CGI IT Czech Republic s.r.o., CZ | 1 | 0 |
| AS51248 | Host Telecom.com s.r.o., CZ | 35 | 5 |
| AS205968 | GeneralNet s.r.o., CZ | 1 | 1 |
| AS39791 | Telco Pro Services, a. s., CZ | 3 | 2 |
| AS208143 | mapnet IT services s.r.o., CZ | 1 | 3 |
| AS215846 | PRO ZETA a.s., CZ | 0 | 1 |
| AS61425 | AdminIT, s. r. o., CZ | 1 | 0 |
| AS209795 | SPC net s.r.o., CZ | 3 | 1 |
| AS203342 | ISP Alliance a.s., CZ | 0 | 0 |
| AS207095 | FORTUNA GAME a.s., CZ | 3 | 0 |
| AS197029 | LAM plus s.r.o., CZ | 2 | 1 |
| AS35136 | Global Tech Distribution s.r.o., CZ | 0 | 0 |
| AS198977 | UnArtel s.r.o., CZ | 2 | 1 |
| AS211731 | Ministry of labour and social affairs, CZ | 2 | 11 |
| AS41046 | O2 Czech Republic, a.s., CZ | 8 | 2 |
| AS198143 | Ceska Posta s.p., CZ | 3 | 1 |
| AS199405 | Oslavany.NET, spolek, CZ | 1 | 1 |
| AS49244 | Scancom s.r.o., CZ | 1 | 1 |
| AS206420 | KABEL servis Praha spol. s r.o., CZ | 2 | 2 |
| AS34070 | BACKER COMPUTER s.r.o., CZ | 0 | 0 |
| AS212138 | Technicke site Brno, akciova spolecnost, CZ | 2 | 0 |
| AS12984 | PilsFree, z. s., CZ | 1 | 1 |
| AS57069 | Dempsey and Clark s.r.o., CZ | 1 | 0 |
| AS201730 | Cloud4com s.r.o., CZ | 26 | 1 |
| AS51382 | Ing. Leos Janouch, CZ | 1 | 1 |
| AS51210 | KRAXNET s.r.o., CZ | 1 | 1 |
| AS206429 | CORSAT s.r.o, CZ | 2 | 1 |
| AS51744 | Non profit organization Jablonka.cz, CZ | 1 | 1 |
| AS56456 | C2NET s.r.o., CZ | 1 | 1 |
| AS62405 | Brouzdal, s.r.o., CZ | 1 | 1 |
| AS56717 | OG Soft s.r.o., CZ | 1 | 1 |
| AS50415 | Ahosting a.s., CZ | 1 | 1 |
| AS215602 | sikmo s.r.o., CZ | 2 | 0 |
| AS196762 | ALKOM Security, a.s., CZ | 1 | 0 |
| AS44712 | eHAMnet, s.r.o., CZ | 2 | 1 |
| AS204165 | Cznet s.r.o., CZ | 2 | 2 |
| AS58220 | Tomas Budai, CZ | 1 | 1 |
| AS200985 | TNtech, s.r.o., CZ | 0 | 1 |
| AS61296 | TechCom s.r.o., CZ | 2 | 1 |
| AS9053 | VSHosting s.r.o., CZ | 1 | 3 |
| AS208060 | Dr. Max BDC, s.r.o., CZ | 3 | 1 |
| AS40964 | ASTELNET s.r.o., CZ | 4 | 0 |
| AS202643 | NetSERV, s.r.o., CZ | 1 | 1 |
| AS50398 | Fast Communication, s.r.o., CZ | 7 | 1 |
| AS197412 | Jiri Tlapak, CZ | 3 | 0 |
| AS202556 | Blond & Brown s.r.o., CZ | 1 | 1 |
| AS30764 | PODA a.s., CZ | 19 | 2 |
| AS216339 | Mald Entertainment Studio, s.r.o., CZ | 0 | 3 |
| AS47131 | PH, spol. s r. o., CZ | 3 | 0 |
| AS25192 | CZ.NIC, z.s.p.o., CZ | 7 | 6 |
| AS49573 | JimmyNet s.r.o., CZ | 1 | 1 |
| AS205002 | CUBESOL, s.r.o., CZ | 1 | 1 |
| AS205535 | Windyghoul s.r.o., CZ | 3 | 3 |
| AS197013 | Sprintel s.r.o., CZ | 5 | 1 |
| AS44424 | Allegro Retail a.s., CZ | 4 | 0 |
| AS207187 | TKR Jasek, s.r.o., CZ | 6 | 3 |
| AS56566 | SATT a.s., CZ | 9 | 1 |
| AS59959 | SferiaNET.cz s.r.o., CZ | 4 | 1 |
| AS201163 | Komercni banka, a.s., CZ | 3 | 0 |
| AS50163 | Altnet s.r.o., CZ | 1 | 1 |
| AS50338 | GamerHost s.r.o., CZ | 4 | 1 |
| AS202719 | Pranet s.r.o., CZ | 1 | 1 |
| AS202857 | INIZIO Internet Media s.r.o., CZ | 1 | 0 |
| AS49095 | PRAHA12.com s.r.o., CZ | 2 | 1 |
| AS212325 | ADC Systems s.r.o., CZ | 0 | 0 |
| AS25248 | Radiokomunikace a.s., CZ | 5 | 2 |
| AS31349 | a net Liberec s.r.o., CZ | 2 | 1 |
| AS47834 | SOFTEX NCP, s.r.o., CZ | 0 | 0 |
| AS43541 | VSHosting s.r.o., CZ | 19 | 7 |
| AS211334 | MASTER IT Technologies, a.s., CZ | 1 | 0 |
| AS210712 | ISP Alliance a.s., CZ | 7 | 1 |
| AS56827 | mirnet s.r.o., CZ | 1 | 0 |
| AS34475 | Agrostroj Pelhrimov, a.s., CZ | 4 | 0 |
| AS12570 | O2 Czech Republic, a.s., CZ | 11 | 2 |
| AS12767 | T Mobile Czech Republic a.s., CZ | 0 | 0 |
| AS28892 | Cesky urad zememericky a katastralni, CZ | 1 | 1 |
| AS51661 | UVT Internet s.r.o., CZ | 4 | 0 |
| AS198668 | Tlapnet s.r.o., CZ | 0 | 0 |
| AS49767 | O2 Czech Republic, a.s., CZ | 2 | 1 |
| AS207272 | Vojtech Linhart, CZ | 0 | 2 |
| AS44065 | NETAIR, s.r.o., CZ | 2 | 1 |
| AS209135 | Flowmon Networks a.s., CZ | 3 | 1 |
| AS2819 | T Mobile Czech Republic a.s., CZ | 0 | 0 |
| AS201049 | UNT Cernovice NET s.r.o., CZ | 0 | 0 |
| AS8882 | AS8882 s.r.o., CZ | 0 | 1 |
| AS62298 | Computer Systems Consulting s.r.o., CZ | 1 | 1 |
| AS51524 | Ales Tesacek, CZ | 1 | 0 |
| AS41453 | SITEL spol. s r.o., CZ | 2 | 2 |
| AS20884 | O2 Czech Republic, a.s., CZ | 0 | 0 |
| AS210984 | Zerops s.r.o., CZ | 1 | 1 |
| AS201625 | United Networks SE, CZ | 1 | 1 |
| AS31461 | Moravia IT s.r.o., CZ | 1 | 0 |
| AS205004 | HCNET s.r.o., CZ | 0 | 0 |
| AS61195 | Peering.cz s.r.o., CZ | 0 | 0 |
| AS48364 | Pe3ny Net s.r.o., CZ | 2 | 1 |
| AS209268 | HODL s.r.o., CZ | 0 | 0 |
| AS201348 | SIZEK Networks s.r.o, CZ | 0 | 0 |
| AS51400 | SPOJE.NET s.r.o., CZ | 1 | 1 |
| AS215308 | Spolek PASKOV.net, CZ | 2 | 1 |
| AS197083 | K2 atmitec s.r.o., CZ | 1 | 0 |
| AS62102 | Prazska plynarenska, a.s., CZ | 3 | 1 |
| AS199298 | Jan Stetina, CZ | 1 | 1 |
| AS41711 | FreeTel, s.r.o., CZ | 0 | 0 |
| AS209671 | Qrator Labs CZ s.r.o., CZ | 4 | 2 |
| AS210436 | IT Globe s.r.o., CZ | 1 | 2 |
| AS57825 | MoravanyNET s.r.o., CZ | 3 | 1 |
| AS200114 | PODA a.s., CZ | 3 | 0 |
| AS196653 | BEST NET s.r.o., CZ | 2 | 1 |
| AS209692 | FOXCONN CZ s.r.o., CZ | 0 | 0 |
| AS216241 | Vysoka skola banska Technicka univerzita Ostrava, CZ | 0 | 0 |
| AS47727 | Warnet.cz s.r.o., CZ | 1 | 1 |
| AS208093 | Moravskoslezsky kraj, CZ | 5 | 0 |
| AS208847 | Martin Fryzl, CZ | 1 | 1 |
| AS197206 | BusinessCom CZ spol. s r.o., CZ | 8 | 1 |
| AS47269 | Core4Net, s.r.o., CZ | 5 | 1 |
| AS33883 | TRIOPTIMUM s.r.o., CZ | 3 | 1 |
| AS6881 | NIX.CZ z.s.p.o., CZ | 5 | 6 |
| AS202618 | Rychly drat, s.r.o., CZ | 2 | 1 |
| AS35236 | UVT Internet s.r.o., CZ | 12 | 7 |
| AS35613 | FASTER CZ spol. s r.o., CZ | 5 | 2 |
| AS212315 | Frantisek Toman, CZ | 3 | 1 |
| AS208845 | Telefonzentrale s.r.o., CZ | 0 | 0 |
| AS43866 | Altron a.s., CZ | 2 | 0 |
| AS44002 | Sys DataCom s.r.o., CZ | 13 | 34 |
| AS215704 | NGN CZ s.r.o., CZ | 6 | 1 |
| AS207231 | FuturNET, s.r.o., CZ | 1 | 1 |
| AS57728 | CEZNET s.r.o., CZ | 5 | 3 |
| AS209055 | W.A.G. PAYMENT SOLUTIONS, A.S., CZ | 4 | 1 |
| AS50980 | cloudinfrastack, s.r.o., CZ | 2 | 0 |
| AS49580 | Monet , a.s., CZ | 2 | 0 |
| AS209947 | M wifi internet s.r.o., CZ | 1 | 1 |
| AS197879 | HelaPC s.r.o., CZ | 3 | 2 |
| AS209621 | DOBNET, z.s., CZ | 1 | 1 |
| AS44672 | Cloud4com s.r.o., CZ | 0 | 0 |
| AS51278 | Webglobe, s.r.o., CZ | 1 | 1 |
| AS202073 | Itego a.s., CZ | 1 | 0 |
| AS206951 | BMB Green s.r.o., CZ | 1 | 1 |
| AS47200 | NIX.CZ z.s.p.o., CZ | 0 | 0 |
| AS208387 | Blond & Brown s.r.o., CZ | 0 | 0 |
| AS215588 | Notino s.r.o., CZ | 2 | 2 |
| AS2852 | CESNET z.s.p.o., CZ | 26 | 1 |
| AS196684 | VITALATIV, s.r.o., CZ | 1 | 0 |
| AS48602 | Connect plus s.r.o., CZ | 4 | 1 |
| AS200635 | pragmatel s.r.o., CZ | 1 | 1 |
| AS29134 | Webglobe, s.r.o., CZ | 12 | 5 |
| AS199059 | Maurice Ward & Co., s.r.o., CZ | 1 | 0 |
| AS211816 | ERON X s.r.o., CZ | 1 | 0 |
| AS212859 | KXCOMM s.r.o., CZ | 1 | 1 |
| AS51424 | Jiri Sperl, CZ | 6 | 0 |
| AS210111 | Netcraft Solutions s.r.o., CZ | 1 | 1 |
| AS214952 | mjanik.net s.r.o., CZ | 0 | 1 |
| AS211774 | ign.cz internet, s.r.o., CZ | 2 | 1 |
| AS203550 | i2net cz s.r.o., CZ | 1 | 1 |
| AS49013 | Fusion Media, s.r.o., CZ | 2 | 0 |
| AS203376 | Mailkit s.r.o., CZ | 3 | 3 |
| AS210951 | Josef Miegl, CZ | 0 | 13 |
| AS198627 | Shoptet, a.s., CZ | 2 | 1 |
| AS206468 | Treboradice.net z.s., CZ | 1 | 1 |
| AS198248 | Richard Filip, CZ | 2 | 1 |
| AS197565 | NHK Solutions s.r.o., CZ | 1 | 0 |
| AS200068 | Stepan Pechman, CZ | 0 | 0 |
| AS57188 | ORKA systems, s.r.o., CZ | 3 | 1 |
| AS208805 | INTERCONNECT s.r.o., CZ | 0 | 0 |
| AS42306 | CEZNET s.r.o., CZ | 8 | 4 |
| AS197694 | Municipal Office of the City Prague, CZ | 2 | 0 |
| AS12344 | CZECH IT CLUSTER, druzstvo, CZ | 1 | 1 |
| AS196952 | BEZVANET s.r.o., CZ | 2 | 2 |
| AS20609 | KAZA.cz s.r.o., CZ | 2 | 1 |
| AS201559 | United Networks SE, CZ | 1 | 1 |
| AS43507 | RETE internet, s.r.o., CZ | 2 | 0 |
| AS43757 | ICZ a.s., CZ | 2 | 1 |
| AS51727 | Doosan Skoda Power s.r.o, CZ | 1 | 0 |
| AS56360 | TRINITY CZECH REPUBLIC, s.r.o., CZ | 1 | 1 |
| AS25093 | Ceska sporitelna a.s., CZ | 2 | 0 |
| AS39896 | FIBER TELECOM s.r.o., CZ | 0 | 0 |
| AS6740 | CEZNET s.r.o., CZ | 4 | 0 |
| AS3234 | Parliament of the Czech Republic, CZ | 0 | 0 |
| AS207576 | KOVO PLAZMA s.r.o., CZ | 0 | 1 |
| AS197939 | It services company s.r.o., CZ | 0 | 0 |
| AS208422 | Infinity Telecom, s.r.o., CZ | 1 | 1 |
| AS48451 | Prazska energetika, a.s., CZ | 1 | 1 |
| AS62178 | MASTER IT Technologies, a.s., CZ | 8 | 1 |
| AS201447 | The Czech National Bank, CZ | 4 | 0 |
| AS52084 | ISP Alliance a.s., CZ | 1 | 0 |
| AS198624 | Petr Balek trading as Hexado.pro, CZ | 0 | 1 |
| AS219423 | Nial Company s.r.o., CZ | 0 | 0 |
| AS204543 | Filip Hruska, CZ | 0 | 0 |
| AS212975 | TeamCity s.r.o., CZ | 3 | 1 |
| AS208790 | Stepan Duda, CZ | 0 | 1 |
| AS28905 | OMEGA plus Chrudim s.r.o., CZ | 3 | 0 |
| AS210915 | Dominik Pastorek, CZ | 1 | 3 |
| AS60727 | K2 atmitec s.r.o., CZ | 1 | 0 |
| AS33943 | Quadruple a.s., CZ | 1 | 1 |
| AS60143 | Brno University of Technology, CZ | 0 | 0 |
| AS207153 | Stream iT, s.r.o., CZ | 1 | 0 |
| AS196849 | MO BYRTUS s.r.o., CZ | 1 | 0 |
| AS204150 | StormHost Hosting & Network Services, CZ | 1 | 1 |
| AS50825 | UVT Internet s.r.o., CZ | 7 | 1 |
| AS15425 | PODA a.s., CZ | 8 | 1 |
| AS16019 | Vodafone Czech Republic a.s., CZ | 90 | 17 |
| AS203450 | CEZNET s.r.o., CZ | 0 | 0 |
| AS56821 | KnVnet services s.r.o., CZ | 1 | 2 |
| AS202774 | ISP Alliance a.s., CZ | 1 | 1 |
| AS50651 | HBO Europe s.r.o., CZ | 0 | 0 |
| AS2571 | DHL Information Services Europe s.r.o., CZ | 56 | 47 |
| AS34049 | wosa.cz, CZ | 4 | 1 |
| AS200474 | CRFreeNet, z.s., CZ | 1 | 1 |
| AS31368 | ASTELNET s.r.o., CZ | 4 | 0 |
| AS47868 | AVONET, s.r.o., CZ | 2 | 1 |
| AS51420 | cyrilek.net z.s., CZ | 18 | 0 |
| AS202657 | Pavel Jochim, CZ | 1 | 1 |
| AS56624 | Rtyne.net s.r.o., CZ | 2 | 0 |
| AS204113 | Security Information Service, CZ | 1 | 0 |
| AS200717 | ISP Alliance a.s., CZ | 0 | 0 |
| AS199600 | Virtis s.r.o., CZ | 1 | 1 |
| AS34911 | ELDATA prazska s.r.o., CZ | 5 | 0 |
| AS215260 | Emerald Group s.r.o., CZ | 1 | 0 |
| AS204372 | PPF banka a.s., CZ | 2 | 0 |
| AS60529 | Miroslav Klement, CZ | 1 | 0 |
| AS213874 | NSIX Route Servers, CZ | 0 | 0 |
| AS51449 | Kabelova televize Usti nad Orlici, spol. s r. o., CZ | 4 | 1 |
| AS15512 | Vodafone Czech Republic a.s., CZ | 0 | 0 |
| AS212234 | GamerHost s.r.o., CZ | 0 | 3 |
| AS207700 | Reliable Communications s.r.o., CZ | 29 | 0 |
| AS49025 | PRO ZETA a.s., CZ | 7 | 1 |
| AS204666 | Jiri Tlapak, CZ | 38 | 11 |
| AS198813 | SychrovNET s.r.o, CZ | 3 | 1 |
| AS207575 | Zahradnicke centrum Brabec, s.r.o., CZ | 0 | 1 |
| AS207434 | Generalni reditelstvi cel, CZ | 2 | 1 |
| AS213927 | FIBER CONNECTIONS s.r.o., CZ | 0 | 0 |
| AS215354 | ENTRANOVA IT s.r.o., CZ | 1 | 0 |
| AS29086 | GiTy, a.s., CZ | 5 | 1 |
| AS207354 | Teleconnect CZ s.r.o., CZ | 1 | 0 |
| AS203385 | Pernix systems s.r.o., CZ | 3 | 7 |
| AS34596 | HVfree.net servis. s.r.o., CZ | 3 | 1 |
| AS34040 | TTNET s.r.o., CZ | 4 | 1 |
| AS62083 | Fio banka, a.s., CZ | 2 | 0 |
| AS50784 | Intraweb servis s.r.o., CZ | 5 | 1 |
| AS205947 | NDC ICT Solutions s.r.o., CZ | 1 | 0 |
| AS218589 | Datapath, CZ | 1 | 3 |
| AS35046 | OMEGA plus Chrudim s.r.o., CZ | 3 | 2 |
| AS209810 | Netcore services s.r.o., CZ | 6 | 1 |
| AS200828 | TERMS a.s., CZ | 1 | 1 |
| AS24641 | FASTER CZ spol. s r.o., CZ | 10 | 2 |
| AS52176 | TTC TELEKOMUNIKACE s.r.o., CZ | 2 | 1 |
| AS211274 | Quadruple a.s., CZ | 1 | 4 |
| AS206321 | STARTECH spol. s r.o., CZ | 0 | 1 |
| AS201533 | United Networks SE, CZ | 1 | 0 |
| AS208950 | Ezpada s.r.o, CZ | 3 | 0 |
| AS47949 | gsnet.cz s.r.o., CZ | 1 | 0 |
| AS200871 | RockawayX Infra s.r.o., CZ | 3 | 0 |
| AS44546 | ALFA TELECOM s.r.o., CZ | 14 | 0 |
| AS219015 | Mae Vielle, CZ | 0 | 2 |
| AS204007 | Kleissner Investments s.r.o., CZ | 3 | 1 |
| AS25512 | ČD Telematika a.s., CZ | 11 | 1 |
| AS203299 | NetX Networks a.s., CZ | 1 | 1 |
| AS42422 | SecurityNet.cz s.r.o., CZ | 13 | 2 |
| AS58239 | hanspaul city.net s.r.o., CZ | 4 | 1 |
| AS197376 | Cloud4com s.r.o., CZ | 0 | 0 |
| AS206712 | FELDSAM s.r.o., CZ | 3 | 3 |
| AS207583 | Technologicke centrum a.s., CZ | 0 | 1 |
| AS51521 | Resident Control Telco s.r.o., CZ | 1 | 0 |
| AS201457 | Kooperativa pojistovna, a.s., Vienna Insurance Group, CZ | 0 | 0 |
| AS216021 | Stefan Johannes Mayer, CZ | 0 | 1 |
| AS203165 | Statni pokladna Centrum sdilenych sluzeb, s.p., CZ | 3 | 3 |
| AS204886 | Metropolitni sit Humpolec spol. s r.o., CZ | 1 | 1 |
| AS33877 | Druzstvo OFX, CZ | 0 | 0 |
| AS201007 | Tesco Stores CR a.s., CZ | 0 | 0 |
| AS198814 | ALPHA StylSoft, s.r.o., CZ | 1 | 1 |
| AS49890 | ABLE agency, s.r.o., CZ | 1 | 1 |
| AS202921 | CC INTERNET s.r.o., CZ | 13 | 1 |
| AS59664 | Opton s.r.o., CZ | 1 | 0 |
| AS197875 | ORLEN Unipetrol RPA s.r.o., CZ | 1 | 0 |
| AS201116 | Vybezek.NET s.r.o., CZ | 1 | 1 |
| AS202874 | Zlinsky Kraj, CZ | 1 | 1 |
| AS204668 | ASTANA Technologies s.r.o., CZ | 1 | 1 |
| AS203018 | PAMICO CZECH, s.r.o., CZ | 2 | 1 |
| AS209369 | The Cloud Provider s.r.o., CZ | 5 | 2 |
| AS201608 | HovNet SERVIS s.r.o., CZ | 3 | 1 |
| AS197846 | Radovan Ochvat trading as SAO Computers, CZ | 2 | 0 |
| AS199722 | Sberbank CZ, a.s. v likvidaci, CZ | 1 | 0 |
| AS201654 | CEZNET s.r.o., CZ | 2 | 1 |
| AS201476 | ISP Alliance a.s., CZ | 13 | 2 |
| AS198284 | Mesto Velka Bystrice, CZ | 2 | 1 |
| AS208329 | Ceska televize, CZ | 2 | 0 |
| AS207850 | HovNet SERVIS s.r.o., CZ | 2 | 0 |
| AS50491 | T Mobile Czech Republic a.s., CZ | 0 | 0 |
| AS199630 | Municipal Office of the City Prague, CZ | 0 | 0 |
| AS204080 | Apelby Solutions s.r.o., CZ | 5 | 0 |
| AS16246 | O2 Czech Republic, a.s., CZ | 13 | 2 |
| AS197566 | Livady s.r.o., CZ | 0 | 0 |
| AS15380 | Air Navigation Services of the Czech Republic, state enterprise, CZ | 1 | 1 |
| AS8913 | Mopos Communications A.S., CZ | 1 | 1 |
| AS198167 | AppToCloud servers, vps, CZ | 9 | 1 |
| AS203411 | FORTUNA GAME a.s., CZ | 4 | 0 |
| AS61169 | O2 Czech Republic, a.s., CZ | 0 | 0 |
| AS43500 | HBO Europe s.r.o., CZ | 8 | 8 |
| AS42000 | Futruy s.r.o., CZ | 5 | 1 |
| AS8646 | cloudinfrastack, s.r.o., CZ | 1 | 0 |
| AS197895 | ONYX engineering, spol. s r.o., CZ | 1 | 1 |
| AS208466 | EG.D, s.r.o., CZ | 1 | 0 |
| AS39817 | OvaNet, a.s., CZ | 2 | 1 |
| AS50695 | VLTAVA LABE MEDIA a.s., CZ | 2 | 1 |
| AS59984 | KLFREE NETWORKS, s.r.o., CZ | 2 | 1 |
| AS198725 | Ultimum Technologies a.s., CZ | 2 | 1 |
| AS205982 | Mraknet s.r.o., CZ | 1 | 0 |
| AS199604 | OLOMOUCKY KRAJ, CZ | 1 | 1 |
| AS211085 | mapnet IT services s.r.o., CZ | 1 | 2 |
| AS47317 | Web4ce, s.r.o., CZ | 2 | 1 |
| AS203072 | DomaTV s.r.o., CZ | 0 | 0 |
| AS214757 | Jakub Krsa, CZ | 1 | 14 |
| AS43542 | OptoNet Communication, spol. s.r.o., CZ | 1 | 1 |
| AS5588 | T Mobile Czech Republic a.s., CZ | 13 | 1 |
| AS12608 | IGLG Network CZ s.r.o., CZ | 1 | 1 |
| AS197920 | SKODA ICT s.r.o., CZ | 2 | 0 |
| AS213387 | TeSuNet s.r.o., CZ | 1 | 0 |
| AS201648 | Plzensky kraj, CZ | 2 | 1 |
| AS51586 | ServerZone s.r.o., CZ | 2 | 2 |
| AS56427 | Michal Hradil, CZ | 1 | 0 |
| AS201594 | Czech Telecommunication Office, CZ | 1 | 1 |
| AS48574 | T Mobile Czech Republic a.s., CZ | 3 | 0 |
| AS213152 | Narodni bezpecnostni urad Czech Republic, CZ | 2 | 1 |
| AS200806 | BOHEMIA ENERGY entity s.r.o., CZ | 2 | 0 |
| AS199665 | Hana Juzkova, CZ | 1 | 1 |
| AS209155 | Onehostplanet s.r.o., CZ | 13 | 1 |
| AS42189 | Druzstvo EUROSIGNAL, CZ | 4 | 1 |
| AS211898 | vpsFree.cz, z.s., CZ | 0 | 0 |
| AS48960 | AQUA,a.s., CZ | 5 | 1 |
| AS25424 | CEZNET s.r.o., CZ | 7 | 2 |
| AS204943 | NTV cable s.r.o., CZ | 1 | 1 |
| AS204383 | SPCom s.r.o., CZ | 19 | 1 |
| AS198171 | Webglobe, s.r.o., CZ | 1 | 1 |
| AS197542 | Jan Saulich, CZ | 1 | 0 |
| AS208648 | Playground HUB s.r.o., CZ | 2 | 0 |
| AS198161 | Sokolovska uhelna, pravni nastupce, a.s., CZ | 2 | 1 |
| AS41088 | N SYS s.r.o., CZ | 2 | 2 |
| AS206234 | FORTUNA GAME a.s., CZ | 2 | 0 |
| AS197019 | WEDOS Internet, a.s., CZ | 4 | 2 |
| AS28725 | CETIN a.s., CZ | 10 | 2 |
| AS59925 | Seonet Multimedia s.r.o., CZ | 1 | 1 |
| AS206908 | FORTUNA GAME a.s., CZ | 1 | 0 |
| AS197798 | Net Connect s.r.o., CZ | 2 | 1 |
| AS203488 | DaLuNET s.r.o., CZ | 4 | 1 |
| AS62159 | Happy Technik s.r.o., CZ | 3 | 0 |
| AS198121 | Whalebone, s.r.o., CZ | 1 | 2 |
| AS211890 | ProfiSMS s.r.o., CZ | 0 | 0 |
| AS51463 | FAJNCOM s.r.o., CZ | 0 | 0 |
| AS205064 | RockawayX Infra s.r.o., CZ | 1 | 0 |
| AS213104 | FIBER TELECOM s.r.o., CZ | 0 | 0 |
| AS212224 | Coolhousing s.r.o., CZ | 1 | 1 |
| AS57158 | ISP Alliance a.s., CZ | 0 | 0 |
| AS203645 | Jan Ryznar, CZ | 4 | 23 |
| AS213559 | MyOffice, s.r.o., CZ | 1 | 1 |
| AS34955 | Martin Vicenik, CZ | 12 | 0 |
| AS42726 | BusinessCom CZ spol. s r.o., CZ | 2 | 0 |
| AS197444 | COMFEEL s.r.o., CZ | 3 | 2 |
| AS38952 | MAFRA, a.s., CZ | 2 | 0 |
| AS197256 | Rene Winkler, CZ | 6 | 0 |
| AS196861 | DIGITAL ACTION s.r.o., CZ | 2 | 1 |
| AS60208 | J&T BANKA, a.s., CZ | 0 | 0 |
| AS199657 | TNtech, s.r.o., CZ | 4 | 1 |
| AS207696 | Dopravni podnik hl.m. Prahy, a.s., CZ | 1 | 1 |
| AS47493 | CEZNET s.r.o., CZ | 1 | 1 |
| AS15614 | Dragon Internet a.s., CZ | 6 | 1 |
| AS215777 | Jiri Cincura, CZ | 0 | 1 |
| AS211445 | Mesto Kralupy nad Vltavou, CZ | 0 | 0 |
| AS212876 | Pardubicky Kraj, CZ | 1 | 1 |
| AS213813 | MaSON z. s., CZ | 0 | 1 |
| AS200844 | STUDENT AGENCY k.s., CZ | 2 | 1 |
| AS212906 | Moneroj s.r.o., CZ | 0 | 0 |
| AS31246 | O2 Czech Republic, a.s., CZ | 5 | 2 |
| AS198103 | CCS Ceska spolecnost pro platebni karty s.r.o., CZ | 3 | 0 |
| AS204394 | Cortex, a.s., CZ | 1 | 1 |
| AS204567 | PCKBnet s.r.o., CZ | 1 | 0 |
| AS49262 | Ataccama Software, s.r.o., CZ | 1 | 1 |
| AS197353 | NN Management Services, s.r.o., CZ | 3 | 0 |
| AS205400 | VIVO CONNECTION spol. s r.o., CZ | 2 | 1 |
| AS51134 | Development 777 s.r.o., CZ | 4 | 2 |
| AS204772 | Reditelstvi silnic a dalnic s.p., CZ | 1 | 1 |
| AS49931 | STARNET, s.r.o., CZ | 0 | 0 |
| AS44104 | LCJ Invest, a.s., CZ | 1 | 0 |
| AS215571 | ITIXO s.r.o., CZ | 0 | 0 |
| AS204917 | Mi Ja Javornik s.r.o., CZ | 1 | 0 |
| AS213558 | Spinoco a.s., CZ | 1 | 0 |
| AS37706 | STE WEDOS SUARL AS, CZ | 0 | 0 |
| AS39761 | ABAK, Co.Ltd., CZ | 6 | 2 |
| AS57287 | OtavaNet s.r.o., CZ | 1 | 1 |
| AS44770 | Savvy s.r.o., CZ | 1 | 1 |
| AS63113 | Globecorp Networks, CZ | 8 | 0 |
| AS44070 | O2 Czech Republic, a.s., CZ | 2 | 1 |
| AS204351 | NAM system, a.s., CZ | 4 | 0 |
| AS47767 | Regionalni centrum Olomouc s.r.o., CZ | 1 | 1 |
| AS43708 | DATAMAT CZ s.r.o., CZ | 0 | 0 |
| AS202682 | Geetoo Technology s.r.o., CZ | 9 | 2 |
| AS204949 | CMIS s.r.o., CZ | 7 | 0 |
| AS197296 | United Networks SE, CZ | 4 | 1 |
| AS204332 | TKC system s.r.o., CZ | 3 | 1 |
| AS198101 | Kooperativa pojistovna, a.s., Vienna Insurance Group, CZ | 10 | 4 |
| AS211594 | Kleissner Investments s.r.o., CZ | 1 | 1 |
| AS34487 | SouthPrague.Net, z.s., CZ | 1 | 1 |
| AS49142 | HBO Europe s.r.o., CZ | 1 | 0 |
| AS56973 | VITKOVICE IT SOLUTIONS a.s., CZ | 2 | 1 |
| AS212204 | Hattrick PSK d.o.o., CZ | 0 | 0 |
| AS207015 | Position s.r.o., CZ | 1 | 1 |
| AS28755 | ha vel internet s.r.o., CZ | 0 | 0 |
| AS48926 | Pe3ny Net s.r.o., CZ | 6 | 1 |
| AS218386 | FORTUNA GAME a.s., CZ | 0 | 0 |
| AS211546 | Mesto Odry, CZ | 0 | 0 |
| AS201548 | Maxicom, CZ | 2 | 0 |
| AS198586 | HostNow, s.r.o., CZ | 0 | 0 |
| AS214886 | Green hosting s.r.o., CZ | 1 | 0 |
| AS48417 | ITS akciova spolecnost, CZ | 9 | 1 |
| AS208712 | CENDIS, s.p., CZ | 1 | 1 |
| AS43413 | NEW TELEKOM, spol. s r.o., CZ | 2 | 1 |
| AS199806 | DCIT, a.s., CZ | 1 | 1 |
| AS48889 | GLOBECORP a.s., CZ | 1 | 0 |
| AS210631 | SafeDX s.r.o., CZ | 3 | 3 |
| AS200059 | ISP Alliance a.s., CZ | 0 | 0 |
| AS215582 | Jan Kalista, CZ | 0 | 1 |
| AS204405 | Durnet.cz sro, CZ | 0 | 1 |
| AS30738 | NetArt Group s.r.o., CZ | 3 | 2 |
| AS212453 | FORTUNA GAME a.s., CZ | 2 | 0 |
| AS209431 | PharoCom s.r.o., CZ | 0 | 1 |
| AS215676 | GoodHost s.r.o., CZ | 1 | 1 |
| AS210306 | SferiaNET.cz s.r.o., CZ | 0 | 0 |
| AS218913 | Titan Software z.s., CZ | 0 | 0 |
| AS59970 | AmigoNet s.r.o., CZ | 3 | 2 |
| AS204216 | netsearch s.r.o., CZ | 0 | 0 |
| AS48661 | AIRWAYNET, a.s., CZ | 2 | 1 |
| AS205300 | Sunfox s.r.o., CZ | 1 | 0 |
| AS200918 | Pavel Zizka, CZ | 10 | 1 |
| AS208962 | Nextremum s.r.o., CZ | 6 | 1 |
| AS34080 | MIRAMO spol. s.r.o., CZ | 4 | 1 |
| AS29208 | Quantcom, a.s., CZ | 36 | 5 |
| AS29401 | SH.cz s.r.o., CZ | 0 | 0 |
| AS62011 | UNHfree.net z.s., CZ | 2 | 0 |
| AS207945 | CNI Group s.r.o., CZ | 3 | 1 |
| AS207886 | ECOMP spol s r.o., CZ | 4 | 2 |
| AS203743 | ISP Alliance a.s., CZ | 0 | 0 |
| AS196735 | PODA a.s., CZ | 2 | 1 |
| AS41359 | Telefonzentrale s.r.o., CZ | 1 | 0 |
| AS39050 | NET service solution, s.r.o., CZ | 1 | 1 |
| AS196943 | Vissado s.r.o., CZ | 1 | 1 |
| AS205551 | Blep.cz, z. s., CZ | 0 | 0 |
| AS44500 | Vlasimnet s.r.o., CZ | 2 | 1 |
| AS205863 | Stepan Pokorny, CZ | 2 | 0 |
| AS202906 | Ministerstvo Obrany, CZ | 0 | 0 |
| AS204084 | IGLG Network CZ s.r.o., CZ | 0 | 0 |
| AS215806 | Albert Ceska republika, s.r.o., CZ | 1 | 0 |
| AS206566 | Webglobe, s.r.o., CZ | 0 | 0 |
| AS206601 | FASTER CZ spol. s r.o., CZ | 0 | 0 |
| AS206287 | LysaFree, z.s., CZ | 1 | 0 |
| AS211693 | NolimitCloud s.r.o, CZ | 4 | 1 |
| AS197806 | Andrei Rys, CZ | 1 | 14 |
| AS207632 | Jan Betik, CZ | 0 | 0 |
| AS203208 | Czech Telecommunication Office, CZ | 2 | 3 |
| AS61981 | KLFREE NETWORKS, s.r.o., CZ | 0 | 0 |
| AS199734 | Petr Kyvala, CZ | 0 | 0 |
| AS48091 | Kraj Vysocina, CZ | 3 | 2 |
| AS44489 | STARNET, s.r.o., CZ | 26 | 7 |
| AS60592 | Gransy s.r.o., CZ | 18 | 3 |
| AS50971 | JHComp s.r.o., CZ | 1 | 1 |
| AS202877 | VEJNET.CZ s.r.o., CZ | 6 | 1 |
| AS61110 | Sprava informacnich technologii mesta Plzne, p.o., CZ | 3 | 3 |
| AS57707 | Greendata s.r.o., CZ | 6 | 2 |
| AS213057 | innogy Ceska republika a.s, CZ | 3 | 0 |
| AS202522 | O2 Czech Republic, a.s., CZ | 0 | 0 |
| AS213359 | Jan Korinek, CZ | 1 | 1 |
| AS34222 | ZONER a.s., CZ | 2 | 1 |
| AS60275 | RVTech s.r.o., CZ | 0 | 1 |
| AS207242 | NOEL, s.r.o., CZ | 5 | 5 |
| AS206703 | Netcom Solutions s.r.o., CZ | 2 | 1 |
| AS39453 | Ustav zdravotnickych informaci a statistiky Ceske republiky, CZ | 1 | 0 |
| AS215718 | IBA Group a.s., CZ | 1 | 0 |
| AS43523 | A.T.S. INTERNATIONAL s.r.o, CZ | 1 | 0 |
| AS213594 | TECHart systems s.r.o., CZ | 0 | 0 |
| AS57081 | Scarfbot Technologies, s.r.o., CZ | 1 | 1 |
| AS199711 | National Cyber and Information Security Agency, CZ | 2 | 2 |
| AS196815 | LAN servis s.r.o., CZ | 1 | 0 |
| AS24806 | INTERNET CZ, a.s., CZ | 15 | 1 |
| AS204907 | Air Bank a.s., CZ | 3 | 0 |
| AS213770 | GTT a.s., CZ | 0 | 0 |
| AS41030 | Jaroslav Novotny, CZ | 7 | 0 |
| AS202872 | KME, spol. s r. o., CZ | 2 | 1 |
| AS43070 | JAW.cz s.r.o., CZ | 6 | 3 |
| AS5610 | O2 Czech Republic, a.s., CZ | 67 | 5 |
| AS47114 | SychrovNET s.r.o, CZ | 5 | 2 |
| AS43037 | Seznam.cz, a.s., CZ | 6 | 6 |
| AS39906 | CoProSys a.s., CZ | 11 | 2 |
| AS48298 | MINISTERSTVO VNITRA CR, CZ | 9 | 1 |
| AS203365 | Optet network, s. r. o., CZ | 1 | 1 |
| AS43614 | Economia a.s., CZ | 2 | 1 |
| AS51800 | FIBER Network s.r.o., CZ | 1 | 1 |
| AS201265 | ANAFRA a.s., CZ | 2 | 1 |
| AS15485 | T Mobile Czech Republic a.s., CZ | 0 | 0 |
| AS35214 | O2 Czech Republic, a.s., CZ | 0 | 0 |
| AS211137 | ISP Services spol. s.r.o.,, CZ | 1 | 0 |
| AS208663 | Martin Ph. D. Pustka, CZ | 1 | 1 |
| AS197277 | State Institute for Drug Control, CZ | 3 | 1 |
| AS52092 | Alf servis, s.r.o., CZ | 2 | 1 |
| AS41670 | hkfree.org z.s., CZ | 2 | 1 |
| AS52115 | JaroNet services s.r.o., CZ | 2 | 2 |
| AS34819 | H17 Networks, s.r.o., CZ | 1 | 1 |
| AS29113 | Vodafone Czech Republic a.s., CZ | 0 | 0 |
| AS210811 | AK SYSTEM s.r.o., CZ | 0 | 0 |
| AS201934 | HD Internet s.r.o., CZ | 2 | 0 |
| AS15935 | ha vel internet s.r.o., CZ | 13 | 3 |
| AS205044 | MOSES Internet s.r.o., CZ | 1 | 1 |
| AS200070 | CZ.NIC, z.s.p.o., CZ | 1 | 1 |
| AS57823 | Libor Kotoucek, CZ | 0 | 0 |
| AS204409 | Prestonet s.r.o., CZ | 1 | 1 |
| AS202996 | Ondrej Vrana, CZ | 2 | 1 |
| AS3161 | IT PROFI s.r.o., CZ | 1 | 0 |
| AS214272 | David Barta, CZ | 0 | 0 |
| AS199803 | ComSource s.r.o., CZ | 2 | 1 |
| AS214703 | Core4Net, s.r.o., CZ | 1 | 0 |
| AS205619 | Jiri Chalabala, CZ | 5 | 1 |
| AS44984 | Fortion Networks, s.r.o., CZ | 1 | 1 |
| AS50097 | IPVOIP s.r.o., CZ | 1 | 0 |
| AS201727 | Blond & Brown s.r.o., CZ | 2 | 1 |
| AS42908 | O2 Czech Republic, a.s., CZ | 35 | 9 |
| AS20708 | SKODA AUTO a.s., CZ | 3 | 1 |
| AS56450 | Alberon Letohrad s.r.o, CZ | 2 | 1 |
| AS39455 | Jiri Tlapak, CZ | 1 | 0 |
| AS200848 | ISP Alliance a.s., CZ | 0 | 0 |
| AS206683 | Moravskoslezske inovacni centrum Ostrava, a.s., CZ | 1 | 0 |
| AS198500 | Masarykova univerzita Ustav vypocetni techniky, CZ | 1 | 1 |
| AS208414 | WEDOS Internet, a.s., CZ | 10 | 112 |
| AS209719 | Ministerstvo Obrany, CZ | 1 | 1 |
| AS2118 | Reliable Communications s.r.o., CZ | 14 | 0 |
| AS196843 | KHnet.info, z.s., CZ | 2 | 1 |
| AS25321 | Brink's Cash Solutions CZ , a.s., CZ | 1 | 0 |
| AS215711 | The Ministry of Agriculture of the Czech Republic, CZ | 2 | 1 |
| AS202733 | OK COMP s.r.o., CZ | 0 | 1 |
| AS207855 | SychrovNET s.r.o, CZ | 0 | 0 |
| AS29321 | O2 Czech Republic, a.s., CZ | 5 | 1 |
| AS216006 | Vojtech Smrz, CZ | 4 | 2 |
| AS60086 | Valvera s.r.o., CZ | 1 | 1 |
| AS205345 | HoralNET s.r.o., CZ | 1 | 1 |
| AS197197 | CETIN a.s., CZ | 1 | 1 |
| AS202948 | FORTUNA GAME a.s., CZ | 3 | 0 |
| AS57560 | XLNET s.r.o., CZ | 2 | 1 |
| AS210139 | DPT s.r.o., CZ | 2 | 2 |
| AS199220 | KrU Stredoceskeho kraje, CZ | 2 | 1 |
| AS198882 | Karlovarsky Kraj, CZ | 0 | 0 |
| AS198282 | CAH Building s.r.o., CZ | 1 | 1 |
| AS49985 | IP4ISP z.s.p.o, CZ | 6 | 1 |
| AS24971 | MasterDC s.r.o., CZ | 33 | 13 |
| AS214945 | Ministerstvo zahranicnich veci Ceske Republiky, CZ | 1 | 1 |
| AS47627 | NIX.CZ z.s.p.o., CZ | 0 | 0 |
| AS205234 | Brnenske komunikace a.s., CZ | 4 | 0 |
| AS62176 | EZE a.s., CZ | 0 | 0 |
| AS49101 | CEZNET s.r.o., CZ | 2 | 2 |
| AS215757 | Carrier Refrigeration Operation Czech Republic s.r.o., CZ | 0 | 0 |
| AS198346 | NETFORMS s.r.o., CZ | 4 | 3 |
| AS47681 | O2 Czech Republic, a.s., CZ | 1 | 0 |
| AS218484 | Oleksandr Karpovych, CZ | 2 | 1 |
| AS211700 | Dexus Internet s.r.o., CZ | 1 | 1 |
| AS206159 | Fresh Data s.r.o., CZ | 1 | 1 |
| AS213776 | TeleConnect CZ s.r.o., CZ | 0 | 0 |
| AS52130 | Livesport s.r.o., CZ | 2 | 1 |
| AS201464 | ISP Alliance a.s., CZ | 1 | 0 |
| AS198002 | CEZNET s.r.o., CZ | 1 | 1 |
| AS202131 | ISP Alliance a.s., CZ | 1 | 0 |
| AS208816 | It services company s.r.o., CZ | 0 | 1 |
| AS39392 | SH.cz s.r.o., CZ | 12 | 5 |
| AS210401 | Batlify Internet s.r.o., CZ | 0 | 1 |
| AS206591 | Alza.cz a.s., CZ | 1 | 0 |
| AS206438 | MX NET Telekomunikace s.r.o., CZ | 5 | 17 |
| AS215353 | Josef Hrabe, CZ | 3 | 0 |
| AS202979 | NGA Services, spol. s r.o., CZ | 1 | 1 |
| AS201931 | LBnet.cz s.r.o., CZ | 2 | 1 |
| AS20643 | PilsFree servis, s.r.o., CZ | 1 | 1 |
| AS47749 | ORIFLAME SOFTWARE s.r.o., CZ | 3 | 1 |
| AS198494 | PREGIS, a.s, CZ | 1 | 1 |
| AS204172 | TTC TELEKOMUNIKACE s.r.o., CZ | 1 | 0 |
| AS50348 | KVADOS, a.s., CZ | 1 | 1 |
| AS198991 | TV Nova sro, CZ | 1 | 0 |
| AS29504 | Freenet Liberec, z.s., CZ | 1 | 1 |
| AS28972 | M SOFT, spol. s r.o., CZ | 6 | 2 |
| AS205026 | wvg solution s.r.o., CZ | 1 | 0 |
| AS207391 | E LINKX a.s., CZ | 1 | 0 |
| AS62099 | JM Networks, s.r.o., CZ | 4 | 1 |
| AS202912 | Petr Hadraba, CZ | 0 | 0 |
| AS20723 | AVONET, s.r.o., CZ | 7 | 1 |
| AS57288 | StaMPi, spol. s r.o., CZ | 1 | 1 |
| AS57904 | Vevynet s.r.o., CZ | 1 | 0 |
| AS43709 | SilesNet s.r.o., CZ | 7 | 7 |
| AS213223 | GasNet, s.r.o., CZ | 3 | 0 |
| AS197451 | Brno University of Technology, CZ | 8 | 4 |
| AS58215 | Omniline Investment s.r.o., CZ | 1 | 0 |
| AS9080 | IPEX a.s., CZ | 5 | 1 |
| AS200449 | Qrator Labs CZ s.r.o., CZ | 10 | 14 |
| AS214224 | CeskaSit.net Networks s.r.o., CZ | 1 | 0 |
| AS210367 | Krajska zdravotni, a.s., CZ | 1 | 1 |
| AS208906 | SYNOT ICT Services, a.s., CZ | 1 | 1 |
| AS56353 | First Line Software s.r.o., CZ | 1 | 0 |
| AS200600 | Seznam.cz datova centra, s.r.o., CZ | 1 | 1 |
| AS202551 | INERA.CZ s.r.o., CZ | 1 | 1 |
| AS8251 | FreeTel, s.r.o., CZ | 6 | 1 |
| AS47110 | Cloud4com s.r.o., CZ | 5 | 1 |
| AS50007 | Reliable Communications s.r.o., CZ | 0 | 0 |
| AS209834 | KAZA.cz s.r.o., CZ | 1 | 0 |
| AS216450 | Letiste Praha, a. s., CZ | 5 | 0 |
| AS52058 | za200.cz s.r.o., CZ | 2 | 0 |
| AS41779 | LajsiNET s.r.o., CZ | 1 | 1 |
| AS57007 | NITEX ISP s.r.o., CZ | 1 | 1 |
| AS52029 | Palanet s.r.o., CZ | 9 | 0 |
| AS39904 | MERIT GROUP a.s, CZ | 3 | 1 |
| AS46553 | AS46553 s.r.o., CZ | 0 | 1 |
| AS196822 | SELECT SYSTEM, s.r.o., CZ | 1 | 1 |
| AS210958 | Fastport a.s., CZ | 2 | 1 |
| AS206344 | Fortion Networks, s.r.o., CZ | 0 | 0 |
| AS50833 | FIBER TELECOM s.r.o., CZ | 11 | 5 |
| AS47232 | ISP Alliance a.s., CZ | 10 | 6 |
| AS198605 | AVAST Software s.r.o., CZ | 21 | 8 |
| AS21430 | WIA spol. s r.o., CZ | 65 | 5 |
| AS59747 | NIX.CZ z.s.p.o., CZ | 0 | 1 |
| AS210604 | Pernix systems s.r.o., CZ | 2 | 0 |
| AS208659 | INNC s.r.o., CZ | 1 | 1 |
| AS20701 | CZ.NIC, z.s.p.o., CZ | 2 | 2 |
| AS50301 | BrazdimNET s.r.o., CZ | 2 | 1 |
| AS60606 | PRO ZETA a.s., CZ | 6 | 2 |
| AS57077 | AB NET s.r.o., CZ | 2 | 1 |
| AS196916 | BusinessCom CZ spol. s r.o., CZ | 2 | 0 |
| AS197307 | Core4Net, s.r.o., CZ | 3 | 1 |
| AS49121 | IN8INITY, CZ | 20 | 8 |
| AS56344 | Viridium.cz s.r.o., CZ | 4 | 1 |
| AS39790 | Web4U s.r.o., CZ | 5 | 3 |
| AS50100 | SychrovNET s.r.o, CZ | 0 | 0 |
| AS202605 | EMPECOM, s.r.o., CZ | 1 | 1 |
| AS41824 | O2 Czech Republic, a.s., CZ | 0 | 0 |
| AS21045 | K net Technical International Group, s.r.o., CZ | 10 | 0 |
| AS60218 | IT8 Informacni technologie s.r.o., CZ | 1 | 1 |
| AS201263 | Brno University of Technology, CZ | 1 | 1 |
| AS50067 | CESAL s.r.o., CZ | 4 | 1 |
| AS205724 | T.S.BOHEMIA a.s., CZ | 1 | 0 |
| AS219440 | FunFirst s.r.o., CZ | 2 | 2 |
| AS207167 | mapnet IT services s.r.o., CZ | 5 | 2 |
| AS197426 | Marek Hradil, CZ | 0 | 0 |
| AS212362 | INERA.CZ s.r.o., CZ | 0 | 0 |
| AS199350 | Ministerstvo financi, CZ | 1 | 1 |