Explore all 713 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 |
|---|---|---|---|
| AS207451 | ASN of PEARHOST.cz, CZ | 1 | 1 |
| AS42422 | SecurityNet.cz s.r.o., CZ | 12 | 2 |
| AS209680 | JetBrains, s. r. o., CZ | 0 | 0 |
| AS35592 | Coolhousing s.r.o., CZ | 31 | 4 |
| AS60266 | EmbedIT s.r.o., CZ | 2 | 5 |
| AS8747 | Quantcom, a.s., CZ | 0 | 0 |
| AS16246 | NEJ.cz s.r.o, CZ | 13 | 2 |
| AS51968 | NEOS v.o.s., CZ | 2 | 0 |
| AS41456 | STARNET, s.r.o., CZ | 0 | 0 |
| AS206414 | TechCenter s.r.o., CZ | 4 | 0 |
| AS207434 | Generalni reditelstvi cel, CZ | 0 | 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 |
| AS39791 | Telco Pro Services, a. s., CZ | 3 | 3 |
| AS197393 | ISP Alliance a.s., CZ | 2 | 1 |
| AS57496 | Praha1.net z.s.p.o., CZ | 1 | 2 |
| AS216006 | Vojtech Smrz, CZ | 1 | 0 |
| 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 |
| AS207700 | Reliable Communications s.r.o., 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 |
| AS50975 | KYOCERA AVX Components s.r.o., CZ | 1 | 0 |
| AS207887 | Fio banka, a.s., CZ | 0 | 0 |
| AS211248 | Artemis NET s.r.o., CZ | 3 | 1 |
| 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 |
| AS204570 | KAZA.cz s.r.o., CZ | 1 | 0 |
| AS52154 | mjanik.net s.r.o., CZ | 3 | 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 |
| 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 |
| 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 |
| 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 |
| AS24806 | INTERNET CZ, a.s., CZ | 12 | 1 |
| AS41509 | Patria Finance, a.s., CZ | 0 | 0 |
| 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 |
| AS51025 | VSHosting s.r.o., CZ | 1 | 0 |
| AS48405 | CGI IT Czech Republic s.r.o., CZ | 1 | 0 |
| AS205968 | GeneralNet s.r.o., CZ | 1 | 1 |
| AS208143 | mapnet IT services s.r.o., CZ | 1 | 3 |
| AS215846 | PRO ZETA a.s., CZ | 0 | 1 |
| AS198605 | AVAST Software s.r.o., CZ | 22 | 8 |
| AS61425 | AdminIT, s. r. o., CZ | 1 | 0 |
| AS9080 | Ipex A.S, CZ | 5 | 1 |
| AS203342 | ISP Alliance a.s., CZ | 0 | 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 |
| 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 |
| AS25248 | RADIOKOMUNIKACE a.s., CZ | 5 | 2 |
| AS12608 | IGLG Network CZ s.r.o., CZ | 0 | 0 |
| AS212138 | Technicke site Brno, akciova spolecnost, CZ | 2 | 0 |
| AS12984 | PilsFree, z. s., CZ | 1 | 1 |
| AS201730 | Cloud4com s.r.o., CZ | 26 | 1 |
| AS51382 | Ing. Leos Janouch, CZ | 1 | 1 |
| AS35361 | GREPA Networks s.r.o., CZ | 0 | 0 |
| AS51210 | KRAXNET s.r.o., CZ | 1 | 1 |
| AS60592 | Gransy s.r.o., CZ | 17 | 3 |
| 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 |
| AS202682 | Geetoo Technology s.r.o., CZ | 8 | 2 |
| 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 |
| AS2571 | DHL Information Services Europe s.r.o, CZ | 55 | 45 |
| AS202643 | NetSERV, s.r.o., CZ | 1 | 1 |
| AS50398 | Fast Communication, s.r.o., CZ | 7 | 1 |
| AS197412 | Jiri Tlapak, CZ | 3 | 0 |
| AS200114 | JON.CZ s.r.o., CZ | 3 | 0 |
| 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 |
| AS201348 | SIZEK Networks s.r.o, CZ | 0 | 1 |
| AS207187 | TKR Jasek, s.r.o., CZ | 6 | 3 |
| AS49121 | Infinity Telecom, s.r.o., CZ | 21 | 9 |
| 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 |
| AS204383 | SPCom s.r.o., CZ | 18 | 1 |
| AS202719 | Pranet s.r.o., CZ | 1 | 1 |
| AS200449 | Qrator Labs CZ s.r.o., CZ | 9 | 13 |
| AS202857 | INIZIO Internet Media s.r.o., CZ | 1 | 0 |
| AS49095 | PRAHA12.com s.r.o., CZ | 2 | 1 |
| AS31349 | a net Liberec s.r.o., CZ | 2 | 1 |
| AS47834 | SOFTEX NCP, s.r.o., CZ | 0 | 0 |
| AS211334 | MASTER IT Technologies, a.s., CZ | 1 | 0 |
| AS56827 | mirnet s.r.o., CZ | 1 | 0 |
| AS6881 | NIX.CZ z.s.p.o., CZ | 5 | 5 |
| 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 |
| AS51661 | UVT Internet s.r.o., CZ | 4 | 0 |
| AS202556 | Blond & Brown s.r.o., CZ | 1 | 0 |
| AS215676 | GoodHost s.r.o., CZ | 0 | 1 |
| 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 |
| AS2819 | T Mobile Czech Republic a.s., CZ | 0 | 0 |
| AS57823 | Libor Kotoucek, CZ | 0 | 1 |
| AS197694 | Municipal Office of the City Prague, CZ | 3 | 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 |
| AS208414 | WEDOS Internet, a.s., CZ | 10 | 101 |
| 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 |
| AS209268 | HODL 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 |
| AS57825 | MoravanyNET s.r.o., CZ | 3 | 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 |
| AS33883 | TRIOPTIMUM s.r.o., CZ | 3 | 1 |
| AS51248 | Host Telecom.com s.r.o., CZ | 11 | 5 |
| 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 |
| 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 |
| AS58215 | Omniline Investment s.r.o., CZ | 0 | 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 |
| AS215588 | Notino s.r.o., CZ | 2 | 2 |
| AS204543 | Filip Hruska, CZ | 0 | 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 |
| 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 |
| AS2118 | Reliable Communications s.r.o., CZ | 18 | 0 |
| AS49013 | Fusion Media, s.r.o., CZ | 2 | 0 |
| AS203376 | Mailkit s.r.o., CZ | 3 | 3 |
| AS210951 | Josef Miegl, CZ | 0 | 13 |
| AS50833 | FIBER TELECOM s.r.o., CZ | 4 | 4 |
| 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 |
| AS208962 | Nextremum s.r.o., CZ | 4 | 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 |
| AS208847 | Martin Fryzl, CZ | 1 | 0 |
| AS44546 | ALFA TELECOM s.r.o., CZ | 11 | 0 |
| 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 |
| AS50338 | GamerHost s.r.o., CZ | 5 | 1 |
| AS3234 | Parliament of the Czech Republic, CZ | 0 | 0 |
| AS212325 | ADC Systems s.r.o., CZ | 1 | 0 |
| AS207576 | KOVO PLAZMA s.r.o., CZ | 0 | 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 |
| AS202996 | Ondrej Vrana, CZ | 1 | 1 |
| AS52084 | ISP Alliance a.s., CZ | 1 | 0 |
| AS62083 | Fio banka, a.s., CZ | 2 | 1 |
| AS212975 | TeamCity s.r.o., CZ | 3 | 1 |
| AS28905 | OMEGA plus Chrudim s.r.o., CZ | 3 | 0 |
| AS210915 | Dominik Pastorek, CZ | 1 | 3 |
| 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 |
| AS215353 | Josef Hrabe, CZ | 2 | 0 |
| 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 |
| AS34049 | wosa.cz, CZ | 4 | 1 |
| AS200474 | CRFreeNet, z.s., CZ | 1 | 1 |
| 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 |
| AS199490 | INTERCONNECT s.r.o., CZ | 1 | 1 |
| AS15512 | Vodafone Czech Republic a.s., CZ | 0 | 0 |
| AS49025 | PRO ZETA a.s., CZ | 7 | 1 |
| AS209795 | SPC net s.r.o., CZ | 2 | 1 |
| AS198813 | SychrovNET s.r.o, CZ | 3 | 1 |
| AS207575 | Zahradnicke centrum Brabec, s.r.o., CZ | 0 | 1 |
| AS16019 | Vodafone Czech Republic a.s., CZ | 89 | 17 |
| AS35236 | UVT Internet s.r.o., CZ | 12 | 9 |
| 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 |
| AS208790 | Stepan Duda, CZ | 0 | 2 |
| AS34596 | HVfree.net servis. s.r.o., CZ | 3 | 1 |
| AS34040 | TTNET s.r.o., CZ | 4 | 1 |
| AS50784 | Intraweb servis s.r.o., CZ | 5 | 1 |
| AS205947 | NDC ICT Solutions s.r.o., CZ | 1 | 0 |
| 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 |
| AS47114 | SychrovNET s.r.o, CZ | 4 | 2 |
| 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 |
| AS200678 | Komplet NET s.r.o., CZ | 1 | 0 |
| AS201533 | United Networks SE, CZ | 1 | 0 |
| AS208950 | Ezpada s.r.o, CZ | 3 | 0 |
| AS47949 | gsnet.cz s.r.o., CZ | 1 | 0 |
| AS196653 | BEST NET s.r.o., CZ | 2 | 3 |
| AS204007 | Kleissner Investments s.r.o., CZ | 3 | 1 |
| 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 |
| AS204949 | CMIS s.r.o., CZ | 6 | 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 |
| AS212362 | INERA.CZ s.r.o., CZ | 1 | 1 |
| AS201007 | Tesco Stores CR a.s., CZ | 0 | 0 |
| AS198814 | ALPHA StylSoft, s.r.o., CZ | 1 | 1 |
| AS212234 | GamerHost s.r.o., CZ | 0 | 4 |
| AS49890 | ABLE agency, s.r.o., CZ | 1 | 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 |
| 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 |
| AS30738 | NetArt Group s.r.o., CZ | 67 | 2 |
| 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 |
| AS47749 | ORIFLAME SOFTWARE s.r.o., CZ | 4 | 1 |
| 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 |
| AS43542 | OptoNet Communication, spol. 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 |
| AS207391 | E LINKX a.s., CZ | 0 | 0 |
| 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 |
| AS198624 | Petr Balek trading as Hexado.pro, CZ | 1 | 0 |
| 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 |
| AS198171 | Webglobe, s.r.o., CZ | 1 | 1 |
| AS197542 | Jan Saulich, CZ | 1 | 0 |
| AS209671 | Qrator Labs CZ s.r.o., CZ | 3 | 2 |
| 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 |
| 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 |
| 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 |
| AS57069 | Dempsey and Clark s.r.o., CZ | 0 | 0 |
| AS213104 | FIBER TELECOM s.r.o., CZ | 0 | 0 |
| AS210712 | ISP Alliance a.s., CZ | 12 | 1 |
| AS212224 | Coolhousing s.r.o., CZ | 1 | 1 |
| AS57158 | ISP Alliance a.s., CZ | 0 | 0 |
| AS203645 | Jan Ryznar, CZ | 4 | 23 |
| 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 |
| AS196861 | DIGITAL ACTION s.r.o., CZ | 2 | 1 |
| AS60208 | J&T BANKA, a.s., CZ | 0 | 0 |
| AS207696 | Dopravni podnik hl.m. Prahy, a.s., CZ | 1 | 1 |
| AS21430 | WIA spol. s.r.o., CZ | 66 | 5 |
| AS47493 | CEZNET s.r.o., CZ | 1 | 1 |
| AS15614 | Dragon Internet a.s., CZ | 6 | 1 |
| AS214032 | BUDOVIT s.r.o, CZ | 1 | 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 |
| 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 |
| AS205400 | VIVO CONNECTION spol. 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 |
| 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 |
| AS203450 | Edera Group a.s., CZ | 0 | 0 |
| AS213558 | Spinoco a.s., CZ | 1 | 0 |
| AS211731 | Ministry of labour and social affairs, CZ | 2 | 2 |
| 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 |
| AS52095 | Netassist International s.r.o., CZ | 0 | 0 |
| AS47767 | Regionalni centrum Olomouc s.r.o., CZ | 1 | 1 |
| AS205910 | McKinsey & Company Inc., CZ | 2 | 0 |
| AS43708 | DATAMAT CZ s.r.o., CZ | 0 | 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 |
| AS199657 | TNtech, s.r.o., CZ | 4 | 0 |
| AS49142 | HBO Europe s.r.o., CZ | 1 | 0 |
| AS56973 | VITKOVICE IT SOLUTIONS a.s., CZ | 2 | 1 |
| AS211693 | NolimitCloud s.r.o, CZ | 2 | 0 |
| 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 |
| AS206587 | Daktela s.r.o., CZ | 4 | 0 |
| AS48926 | Pe3ny Net s.r.o., CZ | 6 | 1 |
| 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 |
| AS206177 | SitePark s.r.o., CZ | 1 | 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 |
| AS210984 | Zerops s.r.o., CZ | 0 | 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 |
| AS212453 | FORTUNA GAME a.s., CZ | 2 | 0 |
| AS209431 | PharoCom s.r.o., CZ | 0 | 1 |
| 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 |
| AS200918 | Pavel Zizka, CZ | 10 | 1 |
| AS34080 | MIRAMO spol. s.r.o., CZ | 4 | 1 |
| AS29208 | Quantcom, a.s., CZ | 36 | 5 |
| AS13036 | T Mobile Czech Republic a.s., CZ | 35 | 3 |
| 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 |
| 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 |
| AS214757 | Jakub Krsa, CZ | 0 | 16 |
| AS205551 | Blep.cz, z. s., CZ | 0 | 0 |
| AS44500 | Vlasimnet s.r.o., CZ | 2 | 1 |
| AS205863 | Stepan Pokorny, CZ | 2 | 0 |
| AS210436 | IT Globe s.r.o., CZ | 0 | 1 |
| 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 |
| AS44002 | Sys DataCom s.r.o., CZ | 13 | 33 |
| AS2852 | CESNET z.s.p.o., CZ | 27 | 1 |
| AS206287 | LysaFree, z.s., CZ | 1 | 0 |
| 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 |
| AS196735 | JON.CZ s.r.o., CZ | 2 | 1 |
| AS44489 | STARNET, s.r.o., CZ | 26 | 7 |
| AS62178 | MASTER IT Technologies, a.s., CZ | 12 | 1 |
| AS50971 | JHComp s.r.o., CZ | 1 | 1 |
| AS202877 | VEJNET.CZ s.r.o., CZ | 6 | 1 |
| 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 |
| AS29134 | Webglobe, s.r.o., CZ | 17 | 6 |
| AS207095 | FORTUNA GAME a.s., CZ | 7 | 0 |
| AS213594 | TECHart systems s.r.o., CZ | 0 | 0 |
| AS61973 | Netassist International s.r.o., CZ | 0 | 0 |
| AS57081 | Scarfbot Technologies, s.r.o., CZ | 1 | 1 |
| AS198121 | Whalebone, 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 |
| 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 |
| AS61110 | Sprava informacnich technologii mesta Plzne, p.o., CZ | 2 | 3 |
| AS43037 | Seznam.cz, a.s., CZ | 6 | 6 |
| AS39906 | CoProSys a.s., CZ | 11 | 2 |
| AS48298 | MINISTERSTVO VNITRA CR, CZ | 9 | 1 |
| AS5588 | T Mobile Czech Republic a.s., CZ | 25 | 2 |
| 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 |
| AS35613 | FASTER CZ spol. s r.o., CZ | 4 | 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 |
| AS205044 | MOSES Internet s.r.o., CZ | 1 | 1 |
| AS200070 | CZ.NIC, z.s.p.o., CZ | 1 | 1 |
| AS204409 | Prestonet s.r.o., CZ | 1 | 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 |
| 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 |
| AS205248 | Netassist International s.r.o., CZ | 8 | 0 |
| AS207855 | SychrovNET s.r.o, CZ | 0 | 0 |
| AS29321 | O2 Czech Republic, a.s., CZ | 5 | 1 |
| AS15935 | ha vel internet s.r.o., CZ | 13 | 57 |
| AS200871 | RockawayX Infra s.r.o., CZ | 2 | 0 |
| AS52130 | LiveSport s.r.o., CZ | 2 | 1 |
| 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 |
| 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 |
| AS203385 | Pernix systems s.r.o., CZ | 3 | 2 |
| AS202921 | CC INTERNET s.r.o., CZ | 12 | 1 |
| 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 |
| AS206159 | Fresh Data s.r.o., CZ | 1 | 1 |
| AS213776 | TeleConnect CZ s.r.o., CZ | 0 | 0 |
| 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 |
| AS213559 | MyOffice, s.r.o., CZ | 0 | 1 |
| 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 |
| 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 |
| AS21082 | Reliable Communications s.r.o., CZ | 1 | 0 |
| 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 |
| AS28972 | M SOFT, spol. s r.o., CZ | 6 | 2 |
| AS205026 | wvg solution s.r.o., CZ | 1 | 0 |
| AS209155 | Onehostplanet s.r.o., CZ | 14 | 1 |
| AS25512 | CD Telematika a.s., CZ | 11 | 1 |
| AS28725 | CETIN a.s., CZ | 7 | 2 |
| AS62099 | JM Networks, s.r.o., CZ | 4 | 1 |
| AS202912 | Petr Hadraba, CZ | 0 | 0 |
| AS20723 | AVONET, s.r.o., CZ | 7 | 1 |
| AS60584 | Prime Studio s.r.o., CZ | 1 | 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 |
| AS209135 | Flowmon Networks a.s., CZ | 3 | 4 |
| 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 |
| AS204150 | StormHost, CZ | 0 | 18 |
| AS43541 | VSHosting s.r.o., CZ | 16 | 6 |
| 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 |
| AS47232 | ISP Alliance a.s., CZ | 10 | 6 |
| AS12767 | T Mobile Czech Republic a.s., CZ | 11 | 0 |
| AS208805 | INTERCONNECT s.r.o., CZ | 1 | 0 |
| 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 |
| 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 |
| AS39392 | SH.cz s.r.o., CZ | 12 | 4 |
| 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 |
| AS205724 | T.S.BOHEMIA a.s., CZ | 1 | 0 |
| AS207167 | mapnet IT services s.r.o., CZ | 5 | 2 |
| AS204183 | Omnivery s.r.o., CZ | 0 | 0 |
| AS204666 | Jiri Tlapak, CZ | 37 | 9 |
| AS197426 | Marek Hradil, CZ | 0 | 0 |
| AS199350 | Ministerstvo financi, CZ | 1 | 1 |
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