Explore all 702 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 |
| AS209680 | JetBrains, s. r. o., CZ | 0 | 0 |
| AS35592 | Coolhousing s.r.o., CZ | 31 | 4 |
| 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 |
| AS213874 | Jakub Krsa, CZ | 0 | 0 |
| AS52095 | Netassist International s.r.o., CZ | 0 | 7 |
| 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 |
| 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 |
| AS2571 | DHL Information Services Europe s.r.o, CZ | 62 | 54 |
| 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 |
| 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 |
| AS210325 | ISP Alliance a.s., CZ | 0 | 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 |
| AS60266 | EmbedIT s.r.o., CZ | 2 | 6 |
| 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 |
| AS49985 | IP4ISP z.s.p.o, CZ | 4 | 1 |
| 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 |
| AS40964 | ASTELNET s.r.o., CZ | 2 | 0 |
| AS210061 | Ladislav Kepl, CZ | 1 | 0 |
| AS200874 | Liberecky kraj, CZ | 1 | 1 |
| AS212074 | Ondrej Filip, CZ | 0 | 0 |
| AS43708 | DATAMAT CZ s.r.o., CZ | 1 | 1 |
| AS62176 | DWDNEJ a.s., CZ | 0 | 0 |
| AS39736 | ICT Support, s.r.o., CZ | 3 | 1 |
| AS41509 | Patria Finance, a.s., CZ | 0 | 0 |
| AS25036 | O2 Czech Republic, a.s., CZ | 0 | 0 |
| AS51025 | VSHosting s.r.o., CZ | 1 | 0 |
| AS201730 | Cloud4com s.r.o., CZ | 30 | 4 |
| 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 |
| AS47749 | ORIFLAME SOFTWARE s.r.o., CZ | 4 | 3 |
| AS215846 | PRO ZETA a.s., CZ | 0 | 1 |
| AS61425 | AdminIT, s. r. o., CZ | 1 | 0 |
| AS48926 | Pe3ny Net s.r.o., CZ | 5 | 1 |
| AS204570 | KAZA.cz s.r.o., CZ | 1 | 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 |
| AS60592 | Gransy s.r.o., CZ | 19 | 3 |
| AS212138 | Technicke site Brno, akciova spolecnost, CZ | 2 | 0 |
| AS12984 | PilsFree, z. s., CZ | 1 | 1 |
| AS5610 | O2 Czech Republic, a.s., CZ | 86 | 5 |
| AS51382 | Ing. Leos Janouch, CZ | 1 | 1 |
| AS35361 | GREPA Networks s.r.o., CZ | 0 | 0 |
| AS51210 | KRAXNET s.r.o., CZ | 1 | 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 |
| AS215676 | GoodHost s.r.o., CZ | 0 | 0 |
| AS204165 | Cznet s.r.o., CZ | 2 | 2 |
| AS58220 | Tomas Budai, CZ | 1 | 1 |
| AS61296 | TechCom s.r.o., CZ | 2 | 1 |
| AS209155 | Onehostplanet s.r.o., CZ | 12 | 1 |
| AS30764 | PODA a.s., CZ | 23 | 2 |
| AS43542 | OptoNet Communication, spol. s.r.o., CZ | 2 | 1 |
| AS9053 | VSHosting s.r.o., CZ | 1 | 3 |
| AS208060 | Dr. Max BDC, s.r.o., CZ | 3 | 1 |
| AS208355 | RIPE Network Coordination Centre, CZ | 0 | 1 |
| AS202643 | NetSERV, s.r.o., CZ | 1 | 1 |
| AS201548 | Milan Zelenka, CZ | 2 | 0 |
| AS43500 | HBO Europe s.r.o., CZ | 4 | 4 |
| AS50398 | Fast Communication, s.r.o., CZ | 7 | 1 |
| AS197412 | Jiri Tlapak, CZ | 3 | 0 |
| AS24641 | FASTER CZ spol. s r.o., CZ | 13 | 2 |
| AS200114 | JON.CZ s.r.o., CZ | 3 | 0 |
| AS206566 | Webglobe, s.r.o., CZ | 1 | 1 |
| AS214757 | Jakub Krsa, CZ | 0 | 8 |
| AS216339 | Mald Entertainment Studio, s.r.o., CZ | 0 | 3 |
| AS47131 | PH, spol. s r. o., CZ | 3 | 0 |
| AS49573 | JimmyNet s.r.o., CZ | 1 | 1 |
| AS205002 | CUBESOL, s.r.o., CZ | 1 | 1 |
| AS204666 | Jiri Tlapak, CZ | 35 | 9 |
| AS205535 | Windyghoul s.r.o., CZ | 3 | 3 |
| AS197013 | Sprintel s.r.o., CZ | 5 | 1 |
| AS210984 | Zerops s.r.o., CZ | 1 | 2 |
| AS207187 | TKR Jasek, s.r.o., CZ | 6 | 3 |
| AS25238 | MONETA Money Bank, a.s., CZ | 6 | 1 |
| AS48960 | AQUA,a.s., CZ | 6 | 1 |
| AS47232 | ISP Alliance a.s., CZ | 26 | 6 |
| AS196735 | JON.CZ s.r.o., CZ | 3 | 1 |
| AS56566 | SATT a.s., CZ | 9 | 1 |
| AS59959 | SferiaNET.cz s.r.o., CZ | 4 | 1 |
| AS50163 | Altnet s.r.o., CZ | 1 | 1 |
| AS49142 | HBO Europe s.r.o., CZ | 2 | 0 |
| AS202719 | Pranet s.r.o., CZ | 1 | 1 |
| AS208805 | POPE servis s.r.o., CZ | 1 | 0 |
| AS49095 | PRAHA12.com s.r.o., CZ | 2 | 1 |
| AS206429 | CORSAT s.r.o, CZ | 2 | 2 |
| AS204351 | NAM system, a.s., CZ | 5 | 0 |
| 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 |
| AS204332 | TKC system s.r.o., CZ | 4 | 1 |
| AS211334 | MASTER IT Technologies, a.s., CZ | 1 | 0 |
| 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 |
| AS202556 | Blond & Brown s.r.o., CZ | 1 | 0 |
| AS208093 | Moravskoslezsky kraj, CZ | 5 | 1 |
| 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 |
| AS197694 | Municipal Office of the City Prague, CZ | 3 | 0 |
| AS8882 | AS8882 s.r.o., CZ | 0 | 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 |
| AS201163 | Komercni banka, a.s., CZ | 3 | 1 |
| AS201625 | United Networks SE, CZ | 1 | 1 |
| AS198403 | Pe3ny Net s.r.o., CZ | 3 | 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 |
| AS207153 | Stream iT, s.r.o., CZ | 2 | 0 |
| AS206234 | FORTUNA GAME a.s., CZ | 3 | 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 |
| AS57823 | Libor Kotoucek, CZ | 1 | 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 |
| 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 |
| 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 |
| AS201457 | Kooperativa pojistovna, a.s., Vienna Insurance Group, CZ | 0 | 3 |
| 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 |
| 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 |
| AS211274 | Quadruple a.s., CZ | 1 | 7 |
| 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 |
| AS209671 | Qrator Labs CZ s.r.o., CZ | 5 | 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 |
| AS196684 | VITALATIV, s.r.o., CZ | 1 | 0 |
| AS200635 | pragmatel s.r.o., CZ | 1 | 1 |
| AS208790 | Stepan Duda, CZ | 0 | 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 |
| AS210111 | Netcraft Solutions s.r.o., CZ | 1 | 1 |
| AS15685 | CASABLANCA INT a.s., CZ | 74 | 1 |
| AS211774 | ign.cz internet, s.r.o., CZ | 2 | 1 |
| AS203550 | i2net cz s.r.o., CZ | 1 | 1 |
| AS200059 | ISP Alliance a.s., CZ | 2 | 1 |
| AS49013 | Fusion Media, s.r.o., CZ | 2 | 0 |
| AS198627 | Shoptet, a.s., CZ | 2 | 1 |
| AS206468 | Treboradice.net z.s., CZ | 1 | 1 |
| AS203629 | SIBNET s.r.o., CZ | 0 | 0 |
| AS43541 | VSHosting s.r.o., CZ | 17 | 7 |
| AS198248 | Richard Filip, CZ | 2 | 1 |
| AS197565 | NHK Solutions s.r.o., CZ | 1 | 0 |
| AS57188 | ORKA systems, s.r.o., CZ | 3 | 1 |
| AS12344 | CZECH IT CLUSTER, druzstvo, CZ | 1 | 1 |
| AS196952 | BEZVANET s.r.o., CZ | 2 | 2 |
| AS196916 | BusinessCom CZ spol. s r.o., CZ | 6 | 0 |
| AS208847 | Martin Fryzl, CZ | 1 | 0 |
| AS210306 | SferiaNET.cz s.r.o., CZ | 2 | 1 |
| 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 |
| AS3234 | Parliament of the Czech Republic, CZ | 0 | 0 |
| AS207576 | KOVO PLAZMA s.r.o., CZ | 0 | 1 |
| AS208422 | Infinity Telecom, s.r.o., CZ | 1 | 1 |
| AS44002 | Sys DataCom s.r.o., CZ | 13 | 35 |
| AS48451 | Prazska energetika, a.s., CZ | 1 | 1 |
| AS201447 | The Czech National Bank, CZ | 4 | 0 |
| AS52084 | ISP Alliance a.s., CZ | 1 | 0 |
| AS43070 | JAW.cz s.r.o., CZ | 7 | 3 |
| AS62083 | Fio banka, a.s., CZ | 2 | 1 |
| AS212975 | TeamCity s.r.o., CZ | 3 | 1 |
| AS28905 | BECO Link,spol.s.r.o., CZ | 3 | 0 |
| AS60143 | Brno University of Technology, CZ | 0 | 0 |
| AS196849 | MO BYRTUS s.r.o., CZ | 1 | 0 |
| AS29134 | Webglobe, s.r.o., CZ | 9 | 4 |
| AS15425 | PODA a.s., CZ | 8 | 1 |
| AS16019 | Vodafone Czech Republic a.s., CZ | 90 | 17 |
| 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 |
| AS2852 | CESNET z.s.p.o., CZ | 30 | 2 |
| AS21045 | K net Technical International Group, s.r.o., CZ | 1 | 0 |
| AS197019 | WEDOS Internet, a.s., CZ | 5 | 1 |
| AS52115 | JaroNet services s.r.o., CZ | 1 | 1 |
| AS202657 | Pavel Jochim, CZ | 1 | 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 |
| AS199600 | Virtis s.r.o., CZ | 1 | 1 |
| AS204372 | PPF banka a.s., CZ | 7 | 0 |
| AS34911 | ELDATA prazska s.r.o., CZ | 5 | 0 |
| AS20609 | KAZA.cz s.r.o., CZ | 2 | 4 |
| AS215260 | Emerald Group s.r.o., CZ | 1 | 0 |
| AS60529 | Miroslav Klement, CZ | 1 | 0 |
| 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 |
| AS15512 | Vodafone Czech Republic a.s., CZ | 0 | 0 |
| 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 |
| AS197963 | Jiri Vitak, CZ | 1 | 1 |
| 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 |
| AS56973 | VITKOVICE IT SOLUTIONS a.s., CZ | 2 | 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 |
| AS29208 | Quantcom, a.s., CZ | 34 | 6 |
| 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 |
| AS200070 | CZ.NIC, z.s.p.o., CZ | 2 | 1 |
| AS47949 | gsnet.cz s.r.o., CZ | 1 | 0 |
| AS196653 | BEST NET s.r.o., CZ | 2 | 3 |
| AS208543 | Diovetech s.r.o. v likvidaci, CZ | 0 | 0 |
| AS207095 | FORTUNA GAME a.s., CZ | 5 | 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 |
| AS9080 | Ipex A.S, CZ | 7 | 1 |
| 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 |
| 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 |
| 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 |
| AS209055 | W.A.G. PAYMENT SOLUTIONS, A.S., CZ | 4 | 0 |
| AS59664 | Opton s.r.o., CZ | 1 | 0 |
| AS197875 | ORLEN Unipetrol RPA s.r.o., CZ | 1 | 0 |
| AS202874 | Zlinsky Kraj, CZ | 1 | 1 |
| AS51248 | Host Telecom.com s.r.o., CZ | 13 | 5 |
| 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 |
| AS199722 | Sberbank CZ, a.s. v likvidaci, CZ | 1 | 0 |
| AS201654 | CEZNET s.r.o., CZ | 2 | 1 |
| AS20708 | SKODA AUTO a.s., CZ | 2 | 1 |
| AS47114 | SychrovNET s.r.o, CZ | 4 | 1 |
| AS198284 | Mesto Velka Bystrice, CZ | 2 | 1 |
| AS210712 | ISP Alliance a.s., CZ | 0 | 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 |
| AS42908 | O2 Czech Republic, a.s., CZ | 39 | 9 |
| 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 |
| AS54444 | AS54444 s.r.o., CZ | 0 | 49 |
| AS8646 | cloudinfrastack, s.r.o., CZ | 1 | 0 |
| AS197895 | ONYX engineering, spol. s r.o., CZ | 1 | 1 |
| AS39817 | OvaNet, a.s., CZ | 2 | 1 |
| AS50695 | VLTAVA LABE MEDIA a.s., CZ | 2 | 1 |
| AS198725 | Ultimum Technologies a.s., CZ | 2 | 1 |
| AS198668 | Tlapnet s.r.o., CZ | 4 | 2 |
| AS205982 | Mraknet s.r.o., CZ | 1 | 0 |
| AS199604 | OLOMOUCKY KRAJ, CZ | 1 | 1 |
| AS211085 | mapnet IT services s.r.o., CZ | 1 | 2 |
| AS210951 | Josef Miegl, CZ | 0 | 14 |
| AS208414 | WEDOS Internet, a.s., CZ | 10 | 97 |
| AS47317 | Web4ce, s.r.o., CZ | 2 | 1 |
| AS203072 | DomaTV s.r.o., CZ | 0 | 0 |
| AS206177 | SitePark s.r.o., CZ | 5 | 6 |
| AS29583 | Spinoco Czech Republic, a.s., CZ | 10 | 0 |
| AS197566 | Livady s.r.o., CZ | 1 | 0 |
| AS197920 | SKODA ICT s.r.o., CZ | 2 | 0 |
| AS213387 | TeSuNet s.r.o., CZ | 1 | 0 |
| AS35613 | NetDataComm, s.r.o., CZ | 5 | 1 |
| AS201648 | Plzensky kraj, CZ | 2 | 1 |
| AS51586 | ServerZone s.r.o., CZ | 2 | 2 |
| AS30738 | NetArt Group s.r.o., CZ | 21 | 1 |
| AS50338 | GamerHost s.r.o., CZ | 3 | 1 |
| 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 |
| AS209369 | The Cloud Provider s.r.o., CZ | 4 | 1 |
| AS200806 | BOHEMIA ENERGY entity s.r.o., CZ | 2 | 0 |
| AS199665 | Hana Juzkova, CZ | 1 | 1 |
| AS42000 | Futruy s.r.o., CZ | 10 | 3 |
| AS42189 | Druzstvo EUROSIGNAL, CZ | 4 | 1 |
| AS211898 | vpsFree.cz, z.s., CZ | 0 | 0 |
| AS203705 | Pavel Zizka, CZ | 0 | 0 |
| 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 |
| AS49121 | Infinity Telecom, s.r.o., CZ | 20 | 9 |
| AS208648 | Playground HUB s.r.o., CZ | 2 | 0 |
| AS198161 | Sokolovska uhelna, pravni nastupce, a.s., CZ | 2 | 1 |
| AS59925 | Seonet Multimedia s.r.o., CZ | 1 | 1 |
| AS206908 | FORTUNA GAME a.s., CZ | 1 | 0 |
| AS206463 | Pavel Zizka, CZ | 0 | 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 |
| 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 |
| AS34955 | Martin Vicenik, CZ | 12 | 0 |
| AS34596 | HVfree.net servis. s.r.o., CZ | 2 | 1 |
| AS207451 | Ales Hruska, CZ | 1 | 1 |
| AS197444 | COMFEEL s.r.o., CZ | 3 | 2 |
| AS38952 | MAFRA, a.s., CZ | 2 | 0 |
| AS207632 | Jan Betik, CZ | 0 | 2 |
| 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 |
| AS207696 | Dopravni podnik hl.m. Prahy, a.s., CZ | 1 | 1 |
| AS201476 | ISP Alliance a.s., CZ | 14 | 1 |
| AS47493 | CEZNET s.r.o., CZ | 1 | 1 |
| AS34049 | H data, spol. s r.o., CZ | 4 | 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 |
| 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 |
| 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 |
| AS28972 | M SOFT, spol. s r.o., CZ | 8 | 2 |
| AS49931 | STARNET, s.r.o., CZ | 0 | 0 |
| AS44104 | LCJ Invest, a.s., CZ | 1 | 0 |
| AS215571 | ITIXO s.r.o., CZ | 0 | 0 |
| AS210401 | Batlify Internet 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 |
| 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 |
| AS47834 | SOFTEX NCP, s.r.o., CZ | 4 | 0 |
| AS47767 | Regionalni centrum Olomouc s.r.o., CZ | 1 | 1 |
| AS205910 | McKinsey & Company Inc., CZ | 2 | 0 |
| AS202682 | Geetoo Technology s.r.o., CZ | 9 | 2 |
| AS197296 | United Networks SE, CZ | 4 | 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 |
| AS51424 | Jiri Sperl, CZ | 4 | 0 |
| 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 |
| AS31246 | O2 Czech Republic, a.s., CZ | 5 | 3 |
| AS48417 | ITS akciova spolecnost, CZ | 9 | 1 |
| AS210436 | IT Globe s.r.o., CZ | 0 | 0 |
| 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 |
| AS25192 | CZ.NIC, z.s.p.o., CZ | 8 | 7 |
| AS199806 | DCIT, a.s., CZ | 1 | 1 |
| AS48889 | GLOBECORP a.s., CZ | 1 | 0 |
| AS210631 | SafeDX s.r.o., CZ | 3 | 3 |
| AS205619 | Jiri Chalabala, CZ | 1 | 1 |
| AS57707 | Greendata s.r.o., CZ | 6 | 1 |
| 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 |
| AS52130 | LiveSport s.r.o., CZ | 2 | 2 |
| AS198167 | Apptc.me s.r.o., CZ | 10 | 1 |
| 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 |
| AS2118 | Reliable Communications s.r.o., CZ | 19 | 0 |
| AS200918 | Pavel Zizka, CZ | 10 | 1 |
| AS34080 | MIRAMO spol. s.r.o., CZ | 4 | 1 |
| AS206270 | ISP Alliance a.s., CZ | 1 | 0 |
| AS211693 | Viet Quang Nguyen, CZ | 2 | 0 |
| 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 |
| 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 |
| AS205863 | Stepan Pokorny, CZ | 2 | 0 |
| AS215353 | Josef Hrabe, CZ | 1 | 0 |
| AS201348 | SIZEK Networks s.r.o, CZ | 1 | 1 |
| AS215806 | Albert Ceska republika, s.r.o., CZ | 1 | 0 |
| AS206601 | FASTER CZ spol. s r.o., CZ | 0 | 0 |
| AS59984 | KLFREE NETWORKS, s.r.o., CZ | 4 | 1 |
| AS52154 | mjanik.net s.r.o., CZ | 9 | 0 |
| AS206287 | LysaFree, z.s., CZ | 1 | 0 |
| AS5588 | T Mobile Czech Republic a.s., CZ | 7 | 3 |
| AS203208 | Czech Telecommunication Office, CZ | 2 | 3 |
| AS44489 | STARNET, s.r.o., CZ | 26 | 7 |
| AS62178 | MASTER IT Technologies, a.s., CZ | 12 | 1 |
| AS61981 | KLFREE NETWORKS, s.r.o., CZ | 0 | 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 |
| AS62159 | Happy Technik s.r.o., CZ | 5 | 0 |
| AS215718 | IBA Group a.s., CZ | 1 | 0 |
| AS43523 | A.T.S. INTERNATIONAL s.r.o, CZ | 1 | 0 |
| AS203645 | Jan Ryznar, CZ | 4 | 24 |
| 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 |
| AS50980 | cloudinfrastack, s.r.o., CZ | 1 | 0 |
| AS198121 | Whalebone, s.r.o., CZ | 1 | 1 |
| AS50301 | BrazdimNET s.r.o., CZ | 4 | 0 |
| AS13036 | T Mobile Czech Republic a.s., CZ | 30 | 2 |
| AS214952 | mjanik.net s.r.o., CZ | 0 | 0 |
| AS199711 | National Cyber and Information Security Agency, CZ | 2 | 2 |
| AS48091 | Kraj Vysocina, CZ | 3 | 3 |
| AS196815 | LAN servis s.r.o., CZ | 1 | 0 |
| AS210915 | Dominik Pastorek, CZ | 0 | 2 |
| 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 |
| AS43037 | Seznam.cz, a.s., CZ | 6 | 6 |
| AS39906 | CoProSys a.s., CZ | 11 | 2 |
| AS48298 | MINISTERSTVO VNITRA CR, CZ | 9 | 1 |
| AS204007 | Kleissner Investments s.r.o., CZ | 4 | 1 |
| AS200474 | CRFreeNet, z.s., CZ | 2 | 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 |
| 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 |
| AS47868 | SUPRO, spol. s r.o., CZ | 2 | 1 |
| 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 |
| 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 |
| AS199803 | ComSource s.r.o., CZ | 2 | 1 |
| AS214703 | Core4Net, s.r.o., CZ | 1 | 0 |
| AS44984 | Fortion Networks, s.r.o., CZ | 1 | 1 |
| AS35236 | UVT Internet s.r.o., CZ | 13 | 8 |
| AS50833 | FIBER TELECOM s.r.o., CZ | 3 | 4 |
| AS50097 | IPVOIP s.r.o., CZ | 1 | 0 |
| AS201727 | Blond & Brown s.r.o., CZ | 2 | 1 |
| AS34315 | Quantcom, a.s., CZ | 3 | 1 |
| AS56450 | Alberon Letohrad s.r.o, CZ | 2 | 1 |
| AS39455 | Jiri Tlapak, CZ | 1 | 0 |
| AS198605 | AVAST Software s.r.o., CZ | 79 | 8 |
| 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 |
| AS46553 | AS46553 s.r.o., CZ | 0 | 17 |
| 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 |
| AS39791 | Telco Pro Services, a. s., CZ | 6 | 3 |
| AS57560 | XLNET s.r.o., CZ | 2 | 1 |
| AS199220 | KrU Stredoceskeho kraje, CZ | 2 | 1 |
| AS198882 | Karlovarsky Kraj, CZ | 0 | 0 |
| AS198282 | CAH Building s.r.o., CZ | 1 | 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 |
| 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 |
| AS201811 | RIPE Network Coordination Centre, CZ | 0 | 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 |
| AS205248 | Netassist International s.r.o., CZ | 0 | 0 |
| 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 |
| AS206591 | Alza.cz a.s., CZ | 1 | 0 |
| 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 |
| 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 |
| AS205026 | wvg solution s.r.o., CZ | 1 | 0 |
| AS25512 | CD Telematika a.s., CZ | 11 | 1 |
| AS20723 | AVONET, s.r.o., CZ | 10 | 1 |
| AS207391 | E LINKX a.s., CZ | 1 | 0 |
| AS21430 | WIA spol. s.r.o., CZ | 67 | 6 |
| 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 |
| AS198031 | Trustica s.r.o., CZ | 2 | 1 |
| AS51661 | Allstar Net s.r.o., CZ | 4 | 1 |
| AS210367 | Krajska zdravotni, a.s., CZ | 1 | 1 |
| 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 |
| 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 |
| AS200848 | ISP Alliance a.s., CZ | 2 | 1 |
| 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 |
| AS204543 | Filip Hruska, CZ | 1 | 0 |
| AS52029 | Palanet s.r.o., CZ | 9 | 0 |
| AS39904 | MERIT GROUP a.s, CZ | 3 | 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 |
| AS15935 | ha vel internet s.r.o., CZ | 13 | 55 |
| AS206344 | Fortion Networks, s.r.o., CZ | 0 | 0 |
| AS16246 | O2 Czech Republic, a.s., CZ | 14 | 3 |
| 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 |
| AS60606 | PRO ZETA a.s., CZ | 6 | 2 |
| AS57077 | AB NET s.r.o., CZ | 2 | 1 |
| AS204860 | NetX Networks a.s., CZ | 6 | 9 |
| 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 |
| AS200449 | Qrator Labs CZ s.r.o., CZ | 2 | 13 |
| AS214945 | Ministerstvo zahranicnich veci Ceske Republiky, CZ | 1 | 3 |
| AS39392 | SH.cz s.r.o., CZ | 12 | 4 |
| AS203376 | Mailkit s.r.o., CZ | 4 | 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 |
| AS197426 | Marek Hradil, CZ | 0 | 0 |
| AS24806 | INTERNET CZ, a.s., CZ | 13 | 1 |
| AS199350 | Ministerstvo financi, CZ | 1 | 1 |
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