Explore all 703 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.
Czechia
| AS Number | Description | IPv4 Routes | IPv6 Routes |
|---|---|---|---|
| AS42422 | SecurityNet.cz s.r.o., CZ | 12 | 2 |
| AS60266 | EmbedIT s.r.o., CZ | 2 | 5 |
| AS6881 | NIX.CZ z.s.p.o., CZ | 10 | 8 |
| AS41456 | STARNET, s.r.o., CZ | 0 | 0 |
| AS206414 | TechCenter s.r.o., CZ | 4 | 0 |
| AS50698 | TETA s.r.o., CZ | 9 | 3 |
| AS213874 | Jakub Krsa, CZ | 0 | 0 |
| AS201761 | ISP Alliance a.s., CZ | 0 | 0 |
| AS207198 | Kabelova televize Koprivnice, s.r.o., CZ | 3 | 1 |
| AS39791 | Telco Pro Services, a. s., CZ | 8 | 3 |
| 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 |
| AS199711 | National Cyber and Information Security Agency, CZ | 3 | 3 |
| AS197393 | ISP Alliance a.s., CZ | 2 | 1 |
| AS8251 | FreeTel, s.r.o., CZ | 7 | 1 |
| AS204150 | David Zakoucky, CZ | 0 | 4 |
| 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 |
| AS35096 | Alef Nula a.s., CZ | 4 | 1 |
| AS50975 | KYOCERA AVX Components s.r.o., CZ | 1 | 0 |
| AS48926 | Pe3ny Net s.r.o., CZ | 5 | 2 |
| AS207887 | Fio banka, a.s., CZ | 0 | 0 |
| AS43895 | Zentiva Group, a.s, CZ | 0 | 0 |
| 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 |
| AS198519 | Raiffeisenbank a.s., CZ | 2 | 0 |
| AS59871 | Heureka Group a.s., CZ | 1 | 5 |
| AS52154 | mjanik.net s.r.o., CZ | 3 | 0 |
| AS57279 | Sauron CZ s.r.o., CZ | 3 | 1 |
| AS13199 | Jaroslav Doubrava, CZ | 1 | 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 |
| AS213395 | NetX Networks a.s., CZ | 0 | 1 |
| AS57472 | JR NET, s.r.o., CZ | 2 | 1 |
| AS39896 | FIBER TELECOM s.r.o., CZ | 6 | 0 |
| AS203328 | PVfree.net, z. s., CZ | 1 | 1 |
| AS2605 | CESNET z.s.p.o., CZ | 0 | 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 |
| AS208790 | Stepan Duda, CZ | 0 | 6 |
| AS200874 | Liberecky kraj, CZ | 1 | 1 |
| AS54444 | AS54444 s.r.o., CZ | 0 | 1 |
| AS212074 | Ondrej Filip, CZ | 0 | 0 |
| AS198605 | AVAST Software s.r.o., CZ | 68 | 9 |
| AS39736 | ICT Support, s.r.o., CZ | 3 | 1 |
| AS41509 | Patria Finance, a.s., CZ | 0 | 0 |
| AS204860 | NetX Networks a.s., CZ | 7 | 9 |
| AS215602 | sikmo s.r.o., CZ | 2 | 1 |
| AS25036 | O2 Czech Republic, a.s., CZ | 0 | 0 |
| AS205064 | RockawayX Infra s.r.o., CZ | 2 | 1 |
| AS205863 | Stepan Pokorny, CZ | 3 | 0 |
| AS48405 | CGI IT Czech Republic s.r.o., CZ | 1 | 0 |
| AS205968 | GeneralNet s.r.o., CZ | 1 | 1 |
| AS211248 | Artemis NET s.r.o., CZ | 3 | 2 |
| AS208143 | mapnet IT services s.r.o., CZ | 1 | 3 |
| AS197451 | Brno University of Technology, CZ | 8 | 5 |
| AS210325 | ISP Alliance a.s., CZ | 0 | 1 |
| AS215846 | PRO ZETA a.s., CZ | 0 | 1 |
| AS61425 | AdminIT, s. r. o., CZ | 1 | 0 |
| AS204570 | KAZA.cz s.r.o., CZ | 1 | 1 |
| AS9080 | Ipex A.S, CZ | 5 | 1 |
| AS203342 | ISP Alliance a.s., CZ | 0 | 0 |
| AS197029 | LAM plus s.r.o., CZ | 2 | 1 |
| AS213776 | TeleConnect CZ s.r.o., CZ | 1 | 0 |
| AS35136 | Global Tech Distribution s.r.o., CZ | 0 | 0 |
| AS198977 | UnArtel s.r.o., CZ | 2 | 1 |
| 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 |
| AS5610 | O2 Czech Republic, a.s., CZ | 125 | 6 |
| AS212138 | Technicke site Brno, akciova spolecnost, CZ | 2 | 0 |
| AS12984 | PilsFree, z. s., CZ | 1 | 1 |
| AS51382 | Ing. Leos Janouch, CZ | 1 | 1 |
| AS15685 | CASABLANCA INT a.s., CZ | 75 | 1 |
| AS35361 | GREPA Networks s.r.o., CZ | 0 | 0 |
| 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 |
| AS202921 | CC INTERNET s.r.o., CZ | 15 | 1 |
| AS200848 | ISP Alliance a.s., CZ | 0 | 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 |
| 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 |
| AS61296 | TechCom s.r.o., CZ | 2 | 1 |
| AS202682 | Geetoo Technology s.r.o., CZ | 8 | 2 |
| AS43542 | OptoNet Communication, spol. s.r.o., CZ | 2 | 1 |
| AS9053 | VSHosting s.r.o., CZ | 1 | 3 |
| AS202643 | NetSERV, s.r.o., CZ | 1 | 1 |
| AS201548 | Milan Zelenka, CZ | 2 | 0 |
| AS197412 | Jiri Tlapak, CZ | 3 | 0 |
| AS200114 | JON.CZ s.r.o., CZ | 3 | 0 |
| AS206566 | Webglobe, s.r.o., CZ | 1 | 1 |
| AS209369 | The Cloud Provider s.r.o., CZ | 3 | 1 |
| AS216339 | Mald Entertainment Studio, s.r.o., CZ | 0 | 3 |
| 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 |
| AS44065 | NETAIR, s.r.o., CZ | 2 | 2 |
| AS207187 | TKR Jasek, s.r.o., CZ | 6 | 3 |
| AS201476 | ISP Alliance a.s., CZ | 15 | 2 |
| AS56566 | SATT a.s., CZ | 9 | 1 |
| AS59959 | SferiaNET.cz s.r.o., CZ | 4 | 1 |
| AS2852 | CESNET z.s.p.o., CZ | 28 | 2 |
| AS201163 | Komercni banka, a.s., CZ | 3 | 0 |
| AS50163 | Altnet s.r.o., CZ | 1 | 1 |
| AS208805 | POPE servis s.r.o., CZ | 1 | 0 |
| AS49095 | PRAHA12.com s.r.o., CZ | 2 | 1 |
| AS201625 | United Networks SE, CZ | 1 | 2 |
| AS31349 | a net Liberec s.r.o., CZ | 2 | 1 |
| AS213558 | Spinoco Czech Republic, a.s., CZ | 1 | 0 |
| AS48602 | Connect plus s.r.o., CZ | 5 | 1 |
| AS211334 | MASTER IT Technologies, a.s., CZ | 1 | 0 |
| AS40964 | ASTELNET s.r.o., CZ | 4 | 1 |
| AS56827 | mirnet s.r.o., CZ | 1 | 0 |
| AS210139 | DPT s.r.o., CZ | 3 | 2 |
| AS44424 | Allegro Retail a.s., CZ | 4 | 1 |
| AS34475 | Agrostroj Pelhrimov, a.s., CZ | 4 | 0 |
| AS12570 | O2 Czech Republic, a.s., CZ | 11 | 2 |
| AS28892 | Cesky urad zememericky a katastralni, CZ | 1 | 1 |
| AS211274 | Quadruple a.s., CZ | 1 | 8 |
| AS202556 | Blond & Brown s.r.o., CZ | 1 | 0 |
| AS215676 | GoodHost s.r.o., CZ | 0 | 1 |
| AS49767 | O2 Czech Republic, a.s., CZ | 2 | 1 |
| AS207272 | Vojtech Linhart, CZ | 0 | 2 |
| AS2819 | T Mobile Czech Republic a.s., CZ | 0 | 0 |
| AS197694 | Municipal Office of the City Prague, CZ | 3 | 0 |
| AS8882 | AS8882 s.r.o., CZ | 0 | 1 |
| AS20884 | O2 Czech Republic, a.s., CZ | 5 | 0 |
| AS51524 | Ales Tesacek, CZ | 1 | 0 |
| AS41453 | SITEL spol. s r.o., CZ | 2 | 2 |
| AS198167 | Apptc.me s.r.o., CZ | 11 | 2 |
| AS210984 | Zerops s.r.o., 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 |
| 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 |
| AS199298 | Jan Stetina, CZ | 1 | 1 |
| AS41711 | FreeTel, s.r.o., CZ | 0 | 0 |
| AS209671 | Qrator Labs CZ s.r.o., CZ | 4 | 2 |
| AS57823 | Libor Kotoucek, CZ | 1 | 1 |
| AS210367 | Krajska zdravotni, a.s., 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 |
| AS197206 | BusinessCom CZ spol. s r.o., CZ | 8 | 1 |
| AS47269 | Core4Net, s.r.o., CZ | 5 | 1 |
| AS202996 | Ondrej Vrana, CZ | 1 | 0 |
| AS33883 | TRIOPTIMUM s.r.o., CZ | 3 | 1 |
| AS202618 | Rychly drat, s.r.o., CZ | 2 | 1 |
| AS198403 | Pe3ny Net s.r.o., CZ | 0 | 0 |
| AS212315 | Frantisek Toman, CZ | 3 | 1 |
| AS208845 | Telefonzentrale s.r.o., CZ | 0 | 0 |
| AS43866 | Altron a.s., CZ | 2 | 0 |
| AS42726 | BusinessCom CZ spol. s r.o., CZ | 9 | 0 |
| 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 |
| AS25238 | MONETA Money Bank, a.s., CZ | 7 | 1 |
| AS2571 | DHL Information Services Europe s.r.o, CZ | 55 | 52 |
| 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 |
| AS58215 | Omniline Investment s.r.o., CZ | 0 | 0 |
| AS214224 | CeskaSit.net Networks s.r.o., CZ | 2 | 0 |
| 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 |
| AS39906 | CoProSys a.s., CZ | 12 | 3 |
| AS196684 | VITALATIV, s.r.o., CZ | 1 | 0 |
| 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 |
| AS206591 | Alza.cz a.s., CZ | 2 | 0 |
| AS210111 | Netcraft Solutions s.r.o., CZ | 1 | 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 |
| 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 |
| AS57188 | ORKA systems, s.r.o., CZ | 3 | 1 |
| AS35236 | UVT Internet s.r.o., CZ | 12 | 8 |
| 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 |
| AS208847 | Martin Fryzl, CZ | 1 | 0 |
| AS35613 | FASTER CZ spol. s r.o., CZ | 5 | 1 |
| AS44546 | ALFA TELECOM s.r.o., CZ | 11 | 0 |
| AS25512 | CD Telematika a.s., CZ | 15 | 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 |
| 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 |
| AS198882 | Karlovarsky Kraj, CZ | 1 | 1 |
| AS208422 | Infinity Telecom, s.r.o., CZ | 1 | 1 |
| AS48451 | Prazska energetika, a.s., CZ | 1 | 1 |
| AS201447 | The Czech National Bank, CZ | 4 | 0 |
| AS52084 | ISP Alliance a.s., CZ | 1 | 0 |
| AS204543 | Filip Hruska, CZ | 0 | 0 |
| AS43070 | JAW.cz s.r.o., CZ | 7 | 3 |
| AS209135 | Flowmon Networks a.s., CZ | 4 | 5 |
| AS212975 | TeamCity s.r.o., CZ | 3 | 1 |
| AS28905 | OMEGA plus Chrudim s.r.o., CZ | 3 | 0 |
| AS210915 | Dominik Pastorek, CZ | 1 | 3 |
| AS49121 | Infinity Telecom, s.r.o., CZ | 23 | 12 |
| 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 |
| AS39392 | SH.cz s.r.o., CZ | 13 | 4 |
| AS208663 | Martin Ph. D. Pustka, CZ | 2 | 1 |
| AS15425 | PODA a.s., CZ | 8 | 1 |
| 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 |
| AS21045 | K net Technical International Group, s.r.o., CZ | 1 | 0 |
| AS203376 | Mailkit s.r.o., CZ | 5 | 4 |
| AS202657 | Pavel Jochim, CZ | 1 | 1 |
| AS212234 | SMEJKALOVA Marketa, CZ | 0 | 1 |
| AS212325 | ADC Systems s.r.o., CZ | 3 | 0 |
| AS56624 | Rtyne.net s.r.o., CZ | 2 | 0 |
| AS204113 | Security Information Service, CZ | 1 | 0 |
| AS200717 | ISP Alliance a.s., CZ | 0 | 0 |
| AS15935 | ha vel internet s.r.o., CZ | 19 | 58 |
| AS211693 | NolimitCloud s.r.o, CZ | 2 | 1 |
| AS199600 | Virtis s.r.o., CZ | 1 | 1 |
| AS34911 | ELDATA prazska s.r.o., CZ | 5 | 0 |
| AS16019 | Vodafone Czech Republic a.s., CZ | 93 | 17 |
| AS43037 | Seznam.cz, a.s., CZ | 7 | 6 |
| AS215260 | Emerald Group s.r.o., CZ | 1 | 0 |
| AS204372 | PPF banka a.s., CZ | 2 | 0 |
| AS60529 | Miroslav Klement, CZ | 1 | 0 |
| AS200474 | CRFreeNet, z.s., CZ | 3 | 1 |
| AS212204 | FORTUNA GAME a.s., CZ | 0 | 0 |
| AS51449 | Kabelova televize Usti nad Orlici, spol. s r. o., CZ | 4 | 1 |
| AS199490 | INTERCONNECT s.r.o., CZ | 1 | 1 |
| AS212362 | INERA.CZ s.r.o., CZ | 1 | 2 |
| AS15512 | Vodafone Czech Republic a.s., CZ | 0 | 0 |
| AS202719 | Pranet s.r.o., CZ | 4 | 1 |
| AS209795 | SPC net s.r.o., CZ | 2 | 1 |
| AS198813 | SychrovNET s.r.o, CZ | 3 | 1 |
| AS35592 | Coolhousing s.r.o., CZ | 33 | 5 |
| AS207575 | Zahradnicke centrum Brabec, s.r.o., CZ | 0 | 1 |
| AS25248 | RADIOKOMUNIKACE a.s., CZ | 6 | 2 |
| AS213927 | FIBER CONNECTIONS s.r.o., CZ | 0 | 0 |
| AS8747 | Quantcom, a.s., CZ | 1 | 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 |
| AS34040 | TTNET s.r.o., CZ | 4 | 1 |
| 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 |
| AS52176 | TTC TELEKOMUNIKACE s.r.o., CZ | 2 | 1 |
| AS206321 | STARTECH spol. s r.o., CZ | 0 | 1 |
| AS200678 | Komplet NET s.r.o., CZ | 1 | 0 |
| AS201533 | United Networks SE, CZ | 1 | 0 |
| AS24641 | FASTER CZ spol. s r.o., CZ | 9 | 3 |
| AS196653 | BEST NET s.r.o., CZ | 2 | 3 |
| AS197895 | ONYX engineering, spol. s r.o., CZ | 1 | 2 |
| AS208543 | Diovetech s.r.o. v likvidaci, CZ | 0 | 0 |
| AS203299 | NetX Networks a.s., CZ | 1 | 1 |
| 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 |
| AS198494 | PREGIS, a.s, CZ | 2 | 2 |
| 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 |
| AS51968 | NEOS v.o.s., CZ | 2 | 1 |
| AS198814 | ALPHA StylSoft, s.r.o., CZ | 1 | 1 |
| AS51463 | FAJNCOM s.r.o., CZ | 1 | 0 |
| AS49890 | ABLE agency, s.r.o., CZ | 1 | 1 |
| AS42000 | Futruy s.r.o., CZ | 7 | 4 |
| AS62178 | MASTER IT Technologies, a.s., CZ | 14 | 1 |
| AS59664 | Opton s.r.o., CZ | 1 | 0 |
| AS197875 | ORLEN Unipetrol RPA s.r.o., CZ | 1 | 0 |
| AS202874 | Zlinsky Kraj, CZ | 1 | 1 |
| AS204668 | ASTANA Technologies s.r.o., CZ | 1 | 1 |
| AS203018 | PAMICO CZECH, s.r.o., CZ | 2 | 1 |
| AS201608 | HovNet SERVIS s.r.o., CZ | 3 | 1 |
| AS197846 | Radovan Ochvat trading as SAO Computers, CZ | 2 | 0 |
| AS200635 | pragmatel s.r.o., CZ | 1 | 2 |
| AS199722 | Sberbank CZ, a.s. v likvidaci, CZ | 1 | 0 |
| AS201654 | CEZNET s.r.o., CZ | 2 | 1 |
| AS59747 | NIX.CZ z.s.p.o., CZ | 1 | 2 |
| AS20708 | SKODA AUTO a.s., CZ | 2 | 1 |
| AS47114 | SychrovNET s.r.o, CZ | 4 | 1 |
| AS198284 | Mesto Velka Bystrice, CZ | 2 | 1 |
| AS208329 | Ceska televize, CZ | 2 | 0 |
| AS197963 | Jiri Vitak, CZ | 1 | 3 |
| 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 |
| AS15380 | Air Navigation Services of the Czech Republic, state enterprise, CZ | 1 | 1 |
| AS8913 | Mopos Communications A.S., CZ | 1 | 1 |
| AS203411 | FORTUNA GAME a.s., CZ | 4 | 0 |
| AS61169 | O2 Czech Republic, a.s., CZ | 0 | 0 |
| AS8646 | cloudinfrastack, s.r.o., CZ | 1 | 0 |
| AS47749 | ORIFLAME SOFTWARE s.r.o., CZ | 4 | 1 |
| AS25192 | CZ.NIC, z.s.p.o., CZ | 9 | 6 |
| AS200070 | CZ.NIC, z.s.p.o., CZ | 2 | 2 |
| 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 |
| AS203629 | SIBNET s.r.o., CZ | 0 | 1 |
| 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 |
| AS197566 | Livady s.r.o., CZ | 1 | 0 |
| AS197920 | SKODA ICT s.r.o., CZ | 2 | 0 |
| AS204666 | Jiri Tlapak, CZ | 36 | 9 |
| 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 |
| AS21430 | WIA spol. s.r.o., CZ | 66 | 6 |
| AS200806 | BOHEMIA ENERGY entity s.r.o., CZ | 2 | 0 |
| AS199665 | Hana Juzkova, CZ | 1 | 1 |
| AS29208 | Quantcom, a.s., CZ | 40 | 7 |
| AS34049 | H data, spol. s r.o., CZ | 4 | 2 |
| AS42189 | Druzstvo EUROSIGNAL, CZ | 4 | 1 |
| AS211898 | vpsFree.cz, z.s., CZ | 0 | 0 |
| AS51248 | Host Telecom.com s.r.o., CZ | 13 | 4 |
| 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 |
| AS206234 | FORTUNA GAME a.s., CZ | 2 | 0 |
| AS214757 | Jakub Krsa, CZ | 0 | 15 |
| 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 |
| AS211890 | ProfiSMS s.r.o., CZ | 0 | 0 |
| AS213104 | FIBER TELECOM s.r.o., CZ | 0 | 0 |
| AS29583 | Spinoco Czech Republic, a.s., CZ | 9 | 0 |
| AS212224 | Coolhousing s.r.o., CZ | 1 | 1 |
| AS57158 | ISP Alliance a.s., CZ | 0 | 0 |
| AS43500 | HBO Europe s.r.o., CZ | 8 | 5 |
| AS203645 | Jan Ryznar, CZ | 4 | 23 |
| AS34955 | Martin Vicenik, CZ | 12 | 0 |
| AS34596 | HVfree.net servis. s.r.o., CZ | 2 | 1 |
| AS207451 | Ales Hruska, CZ | 1 | 1 |
| AS47232 | ISP Alliance a.s., CZ | 31 | 6 |
| AS197444 | COMFEEL s.r.o., CZ | 3 | 2 |
| AS38952 | MAFRA, a.s., CZ | 2 | 0 |
| AS201116 | Vybezek.NET s.r.o., CZ | 2 | 1 |
| 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 |
| AS62298 | Computer Systems Consulting s.r.o., CZ | 2 | 1 |
| AS15614 | Dragon Internet a.s., CZ | 6 | 1 |
| AS214032 | BUDOVIT s.r.o, CZ | 1 | 1 |
| AS215777 | Jiri Cincura, CZ | 0 | 1 |
| AS212876 | Pardubicky Kraj, CZ | 1 | 1 |
| AS210712 | ISP Alliance a.s., CZ | 6 | 1 |
| AS213813 | MaSON z. s., CZ | 0 | 1 |
| AS50825 | UVT Internet s.r.o., CZ | 5 | 1 |
| AS200844 | STUDENT AGENCY k.s., CZ | 2 | 1 |
| AS197046 | FIXnet s.r.o., 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 |
| AS28725 | CETIN a.s., CZ | 9 | 2 |
| AS205400 | VIVO CONNECTION spol. s r.o., CZ | 2 | 1 |
| AS57825 | MoravanyNET s.r.o., CZ | 2 | 1 |
| AS51134 | Development 777 s.r.o., CZ | 4 | 2 |
| AS42306 | Edera Group a.s., CZ | 8 | 4 |
| AS204772 | Reditelstvi silnic a dalnic s.p., CZ | 1 | 1 |
| AS59479 | GEMNET s.r.o., CZ | 2 | 1 |
| AS49931 | STARNET, s.r.o., CZ | 0 | 0 |
| AS44104 | LCJ Invest, a.s., CZ | 1 | 0 |
| AS50338 | GamerHost s.r.o., CZ | 3 | 2 |
| AS215571 | ITIXO s.r.o., CZ | 0 | 0 |
| AS204917 | Mi Ja Javornik s.r.o., CZ | 1 | 0 |
| AS203450 | Edera Group a.s., CZ | 0 | 0 |
| AS211731 | Ministry of labour and social affairs, CZ | 2 | 2 |
| AS205982 | Mraknet s.r.o., CZ | 2 | 0 |
| AS62102 | Prazska plynarenska, a.s., CZ | 7 | 1 |
| 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 |
| AS205910 | McKinsey & Company Inc., CZ | 2 | 0 |
| AS206159 | Fresh Data s.r.o., CZ | 0 | 1 |
| AS43708 | DATAMAT CZ s.r.o., CZ | 0 | 0 |
| AS204949 | CMIS s.r.o., CZ | 7 | 0 |
| AS204007 | Kleissner Investments s.r.o., CZ | 6 | 1 |
| AS197296 | United Networks SE, CZ | 4 | 1 |
| AS52092 | Alf servis, s.r.o., CZ | 4 | 1 |
| AS204332 | TKC system s.r.o., CZ | 3 | 1 |
| AS209680 | JetBrains, s. r. o., CZ | 1 | 2 |
| 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 |
| AS51424 | Jiri Sperl, CZ | 4 | 0 |
| AS56973 | VITKOVICE IT SOLUTIONS a.s., CZ | 2 | 1 |
| AS201931 | LBnet.cz s.r.o., CZ | 1 | 1 |
| AS207015 | Position s.r.o., CZ | 1 | 1 |
| AS28755 | ha vel internet s.r.o., CZ | 0 | 0 |
| AS206587 | Daktela s.r.o., CZ | 4 | 0 |
| AS211546 | Mesto Odry, CZ | 0 | 0 |
| AS214886 | Green hosting s.r.o., CZ | 1 | 0 |
| AS51661 | Allstar Net s.r.o., CZ | 6 | 1 |
| AS48417 | ITS akciova spolecnost, CZ | 9 | 1 |
| AS206177 | SitePark s.r.o., CZ | 1 | 1 |
| AS215353 | Josef Hrabe, CZ | 1 | 1 |
| AS211445 | Mesto Kralupy nad Vltavou, CZ | 0 | 1 |
| AS208712 | CENDIS, s.p., CZ | 1 | 1 |
| AS62099 | JM Net, z.s., CZ | 4 | 2 |
| AS43413 | NEW TELEKOM, spol. s r.o., CZ | 2 | 1 |
| AS199806 | DCIT, a.s., CZ | 1 | 1 |
| AS30738 | NetArt Group s.r.o., CZ | 17 | 3 |
| AS48889 | GLOBECORP a.s., CZ | 1 | 0 |
| AS210631 | SafeDX s.r.o., CZ | 3 | 3 |
| AS57707 | Greendata s.r.o., CZ | 6 | 1 |
| AS200059 | ISP Alliance a.s., CZ | 0 | 0 |
| AS215582 | Jan Kalista, CZ | 0 | 1 |
| AS52095 | Netassist International s.r.o., CZ | 0 | 1 |
| AS204405 | Durnet.cz sro, CZ | 0 | 1 |
| AS212453 | FORTUNA GAME a.s., CZ | 2 | 0 |
| AS209431 | PharoCom s.r.o., CZ | 0 | 1 |
| AS52130 | LiveSport s.r.o., CZ | 2 | 2 |
| AS210306 | SferiaNET.cz s.r.o., 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 |
| AS24806 | INTERNET CZ, a.s., CZ | 11 | 1 |
| AS2118 | Reliable Communications s.r.o., CZ | 19 | 0 |
| AS62159 | Happy Technik s.r.o., CZ | 5 | 1 |
| AS200918 | Pavel Zizka, CZ | 10 | 1 |
| AS34080 | MIRAMO spol. s.r.o., CZ | 4 | 1 |
| AS206270 | ISP Alliance a.s., CZ | 1 | 0 |
| AS29401 | SH.cz s.r.o., CZ | 0 | 0 |
| AS62011 | UNHfree.net z.s., CZ | 2 | 0 |
| AS208659 | INNC s.r.o., CZ | 5 | 3 |
| 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 |
| AS199803 | ComSource s.r.o., CZ | 10 | 1 |
| AS41359 | Telefonzentrale s.r.o., CZ | 1 | 0 |
| AS39050 | NET service solution, s.r.o., CZ | 1 | 1 |
| AS44002 | Sys DataCom s.r.o., CZ | 14 | 40 |
| AS196943 | Vissado s.r.o., CZ | 1 | 1 |
| AS12767 | T Mobile Czech Republic a.s., CZ | 6 | 2 |
| AS205551 | Blep.cz, z. s., CZ | 0 | 0 |
| AS44500 | Vlasimnet s.r.o., CZ | 2 | 1 |
| AS210436 | IT Globe s.r.o., CZ | 0 | 1 |
| AS201348 | SIZEK Networks s.r.o, CZ | 1 | 1 |
| AS202906 | Ministerstvo Obrany, CZ | 0 | 0 |
| AS207700 | Reliable Communications s.r.o., CZ | 1 | 0 |
| AS215806 | Albert Ceska republika, s.r.o., CZ | 1 | 0 |
| AS206601 | FASTER CZ spol. s r.o., CZ | 0 | 0 |
| AS47131 | PH, spol. s r. o., CZ | 4 | 0 |
| AS206287 | LysaFree, z.s., CZ | 1 | 0 |
| AS197019 | WEDOS Internet, a.s., CZ | 4 | 1 |
| AS203208 | Czech Telecommunication Office, CZ | 2 | 3 |
| AS61981 | KLFREE NETWORKS, s.r.o., CZ | 0 | 0 |
| AS5588 | T Mobile Czech Republic a.s., CZ | 10 | 3 |
| AS24971 | MasterDC s.r.o., CZ | 34 | 13 |
| AS196735 | JON.CZ s.r.o., CZ | 2 | 1 |
| AS50971 | JHComp s.r.o., CZ | 1 | 1 |
| AS202877 | VEJNET.CZ s.r.o., CZ | 6 | 1 |
| 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 |
| AS207095 | FORTUNA GAME a.s., CZ | 7 | 0 |
| AS208060 | Dr. Max BDC, s.r.o., CZ | 4 | 1 |
| AS213594 | TECHart systems s.r.o., CZ | 0 | 0 |
| AS61973 | Netassist International s.r.o., CZ | 0 | 0 |
| AS50398 | Fast Communication, s.r.o., CZ | 8 | 1 |
| AS57081 | Scarfbot Technologies, s.r.o., CZ | 1 | 1 |
| AS50980 | cloudinfrastack, s.r.o., CZ | 1 | 0 |
| AS51025 | VSHosting s.r.o., CZ | 2 | 0 |
| AS13036 | T Mobile Czech Republic a.s., CZ | 30 | 2 |
| AS214952 | mjanik.net s.r.o., CZ | 0 | 0 |
| AS48091 | Kraj Vysocina, CZ | 3 | 3 |
| AS196815 | LAN servis s.r.o., CZ | 1 | 0 |
| AS49025 | PRO ZETA a.s., CZ | 12 | 1 |
| AS204907 | Air Bank a.s., CZ | 3 | 0 |
| AS213770 | GTT a.s., CZ | 0 | 0 |
| AS209834 | KAZA.cz s.r.o., CZ | 1 | 1 |
| AS41030 | Jaroslav Novotny, CZ | 7 | 0 |
| AS50784 | Intraweb servis s.r.o., CZ | 1 | 1 |
| AS202872 | KME, spol. s r. o., CZ | 2 | 1 |
| AS61110 | Sprava informacnich technologii mesta Plzne, p.o., CZ | 2 | 3 |
| AS48298 | MINISTERSTVO VNITRA CR, CZ | 9 | 1 |
| AS203365 | Optet network, s. r. o., CZ | 1 | 1 |
| AS51420 | cyrilek.net z.s., CZ | 17 | 0 |
| AS43614 | Economia a.s., CZ | 2 | 1 |
| AS208950 | Ezpada s.r.o, CZ | 4 | 0 |
| 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 |
| AS16246 | O2 Czech Republic, a.s., CZ | 14 | 2 |
| AS197277 | State Institute for Drug Control, CZ | 3 | 1 |
| AS60592 | Gransy s.r.o., CZ | 20 | 3 |
| AS52115 | JaroNet services s.r.o., CZ | 2 | 2 |
| AS47868 | SUPRO, spol. s r.o., CZ | 2 | 1 |
| AS34819 | H17 Networks, s.r.o., CZ | 1 | 1 |
| AS198668 | Tlapnet s.r.o., CZ | 3 | 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 |
| AS205044 | MOSES Internet s.r.o., CZ | 1 | 1 |
| AS208466 | EG.D Holding, a.s., CZ | 1 | 0 |
| AS204409 | Prestonet s.r.o., CZ | 1 | 1 |
| AS3161 | IT PROFI s.r.o., CZ | 1 | 0 |
| AS214272 | David Barta, CZ | 0 | 0 |
| AS214703 | Core4Net, s.r.o., CZ | 1 | 0 |
| AS205619 | Jiri Chalabala, CZ | 5 | 1 |
| AS44984 | Fortion Networks, s.r.o., CZ | 1 | 1 |
| AS205724 | T.S.BOHEMIA a.s., CZ | 1 | 1 |
| AS50097 | IPVOIP s.r.o., CZ | 1 | 0 |
| AS198121 | Whalebone, s.r.o., CZ | 2 | 1 |
| AS201727 | Blond & Brown s.r.o., CZ | 2 | 1 |
| AS42908 | O2 Czech Republic, a.s., CZ | 35 | 9 |
| AS56450 | Alberon Letohrad s.r.o, CZ | 2 | 1 |
| AS39455 | Jiri Tlapak, CZ | 1 | 0 |
| AS206683 | Moravskoslezske inovacni centrum Ostrava, a.s., CZ | 1 | 0 |
| AS198500 | Masarykova univerzita Ustav vypocetni techniky, CZ | 1 | 1 |
| AS209719 | Ministerstvo Obrany, CZ | 1 | 1 |
| AS196843 | KHnet.info, z.s., CZ | 2 | 1 |
| AS25321 | Brink's Cash Solutions CZ , a.s., CZ | 1 | 0 |
| AS31559 | Pe3ny Net s.r.o., CZ | 0 | 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 |
| AS60086 | Valvera s.r.o., CZ | 1 | 1 |
| AS205345 | HoralNET s.r.o., CZ | 1 | 1 |
| AS197197 | CETIN a.s., CZ | 1 | 1 |
| AS202895 | TFnet s.r.o., CZ | 7 | 1 |
| AS202948 | FORTUNA GAME a.s., CZ | 3 | 0 |
| AS57560 | XLNET s.r.o., CZ | 2 | 1 |
| AS215588 | Notino s.r.o., CZ | 3 | 3 |
| AS199220 | KrU Stredoceskeho kraje, CZ | 2 | 1 |
| AS29134 | Webglobe, s.r.o., CZ | 13 | 6 |
| AS198282 | CAH Building s.r.o., CZ | 1 | 1 |
| AS49985 | IP4ISP z.s.p.o, CZ | 6 | 1 |
| AS47627 | NIX.CZ z.s.p.o., CZ | 0 | 0 |
| AS205234 | Brnenske komunikace a.s., CZ | 4 | 0 |
| AS203385 | Pernix systems s.r.o., CZ | 3 | 2 |
| AS41670 | hkfree.org z.s., CZ | 2 | 2 |
| AS33943 | Eri Internet s.r.o., CZ | 1 | 1 |
| AS49101 | CEZNET s.r.o., CZ | 2 | 2 |
| AS201922 | mapnet IT services s.r.o., CZ | 1 | 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 |
| AS60727 | K2 atmitec s.r.o., CZ | 0 | 0 |
| AS211700 | Dexus Internet s.r.o., CZ | 1 | 1 |
| AS204183 | Omnivery s.r.o., CZ | 0 | 1 |
| AS62083 | Fio banka, a.s., CZ | 3 | 1 |
| AS201464 | ISP Alliance a.s., CZ | 1 | 0 |
| AS198002 | CEZNET s.r.o., CZ | 1 | 1 |
| AS205248 | Netassist International s.r.o., CZ | 0 | 0 |
| AS202131 | ISP Alliance a.s., CZ | 1 | 0 |
| AS44489 | STARNET, s.r.o., CZ | 28 | 7 |
| AS208816 | It services company s.r.o., CZ | 0 | 1 |
| AS213559 | MyOffice, s.r.o., CZ | 0 | 1 |
| AS210401 | Batlify Internet s.r.o., CZ | 0 | 1 |
| AS206438 | MX NET Telekomunikace s.r.o., CZ | 5 | 17 |
| AS200985 | BOK Net, z.s., CZ | 0 | 1 |
| AS202979 | NGA Services, spol. s r.o., CZ | 1 | 1 |
| AS20643 | PilsFree servis, s.r.o., CZ | 1 | 1 |
| AS21082 | Reliable Communications s.r.o., CZ | 1 | 0 |
| AS43541 | VSHosting s.r.o., CZ | 16 | 7 |
| AS50833 | FIBER TELECOM s.r.o., CZ | 3 | 5 |
| AS48364 | Radim Pytela trading as AC Vyskov, CZ | 2 | 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 |
| AS41088 | N SYS s.r.o., CZ | 3 | 2 |
| AS28972 | M SOFT, spol. s r.o., CZ | 6 | 2 |
| AS205026 | wvg solution s.r.o., CZ | 1 | 0 |
| AS208414 | WEDOS Internet, a.s., CZ | 14 | 96 |
| AS209155 | Onehostplanet s.r.o., CZ | 14 | 1 |
| AS201730 | Cloud4com s.r.o., CZ | 26 | 5 |
| AS20723 | AVONET, s.r.o., CZ | 10 | 1 |
| AS207391 | E LINKX a.s., CZ | 1 | 0 |
| AS47834 | SOFTEX NCP, s.r.o., CZ | 4 | 1 |
| AS60584 | Prime Studio s.r.o., CZ | 1 | 1 |
| AS200449 | Qrator Labs CZ s.r.o., CZ | 2 | 14 |
| 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 |
| AS208906 | SYNOT ICT Services, a.s., CZ | 1 | 1 |
| AS208962 | Nextremum s.r.o., CZ | 3 | 0 |
| AS56353 | First Line Software s.r.o., CZ | 1 | 0 |
| AS62176 | DWDNEJ a.s., CZ | 1 | 0 |
| AS200600 | Seznam.cz datova centra, s.r.o., CZ | 1 | 1 |
| AS202551 | INERA.CZ s.r.o., CZ | 1 | 1 |
| AS47110 | Cloud4com s.r.o., CZ | 5 | 1 |
| AS216450 | Letiste Praha, a. s., CZ | 5 | 0 |
| AS30764 | PODA a.s., CZ | 20 | 2 |
| 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 |
| AS205947 | NDC ICT Solutions s.r.o., CZ | 0 | 0 |
| AS46553 | AS46553 s.r.o., CZ | 0 | 1 |
| AS57069 | Dempsey and Clark s.r.o., CZ | 9 | 0 |
| 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 |
| AS210604 | Pernix systems s.r.o., CZ | 2 | 0 |
| AS20701 | CZ.NIC, z.s.p.o., CZ | 2 | 2 |
| AS50301 | BrazdimNET s.r.o., CZ | 2 | 1 |
| AS47949 | gsnet.cz 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 |
| AS56344 | Viridium.cz s.r.o., CZ | 4 | 1 |
| AS39790 | Web4U s.r.o., CZ | 5 | 3 |
| AS214945 | Ministerstvo zahranicnich veci Ceske Republiky, CZ | 1 | 3 |
| AS209055 | W.A.G. PAYMENT SOLUTIONS, A.S., CZ | 4 | 8 |
| 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 |
| 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 |
| AS207167 | mapnet IT services s.r.o., CZ | 5 | 2 |
| AS207632 | Jan Betik, CZ | 0 | 4 |
| AS197426 | Marek Hradil, CZ | 0 | 0 |
| AS199350 | Ministerstvo financi, CZ | 1 | 1 |
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