The report below shows ASNs assigned to Czech Republic, ranked by the total number of IP addresses currently active on each network. Click on the ASN for full IP address information, whois details and more. You can also view our hosting report to see the networks ranked by how many domain names they host.
| ASN | Name | Num IPs |
|---|---|---|
| AS5610 | O2 Czech Republic, a.s. | 1,589,504 |
| AS5588 | T-Mobile Czech Republic a.s. | 1,360,899 |
| AS2852 | CESNET z.s.p.o. | 848,896 |
| AS44546 | ALFA TELECOM s.r.o. | 526,336 |
| AS13036 | T-Mobile Czech Republic a.s. | 319,488 |
| AS30764 | PODA a.s. | 221,184 |
| AS5578 | BENESTRA, s.r.o. | 215,296 |
| AS16019 | Vodafone Czech Republic a.s. | 174,592 |
| AS28725 | Ceska Telekomunikacni Infrastruktura a.s | 149,760 |
| AS6706 | Dial Telecom, a.s. | 139,264 |
| AS25512 | CD-Telematika a.s. | 117,760 |
| AS16246 | RIO Media a.s. | 115,712 |
| AS15425 | COMA s.r.o. | 111,616 |
| AS25248 | RADIOKOMUNIKACE a.s. | 107,776 |
| AS2571 | DHL Information Services (Europe) s.r.o | 86,272 |
| AS9080 | Ipex Ltd. | 86,016 |
| AS15685 | Casablanca INT | 83,456 |
| AS39906 | CoProSys a.s. | 79,104 |
| AS12767 | T-Mobile Czech Republic a.s. | 68,608 |
| AS31246 | SMART Comp. a.s. | 67,584 |
| AS197451 | Brno University of Technology | 67,072 |
| AS24971 | Master Internet s.r.o. | 61,440 |
| AS28851 | Fortech s.r.o. | 58,368 |
| AS12570 | itself s.r.o. | 56,832 |
| AS15935 | ha-vel internet s.r.o. | 51,200 |
| AS44489 | STARNET, s.r.o. | 50,688 |
| AS24806 | INTERNET CZ, a.s. | 45,568 |
| AS47965 | Signalhorn Trusted Networks GmbH | 44,800 |
| AS6740 | TS-Data s.r.o. | 41,984 |
| AS25424 | InterneXt 2000, s.r.o. | 33,792 |
| AS42908 | Nordic Telecom s.r.o | 32,768 |
| AS41046 | Nej.cz s.r.o. | 32,768 |
| AS39392 | SuperNetwork s.r.o. | 30,464 |
| AS34093 | NWT a.s | 28,672 |
| AS49931 | SITKOM spol. s r.o. | 24,576 |
| AS43708 | METRONET s.r.o. | 24,064 |
| AS43541 | VSHosting s.r.o. | 20,736 |
| AS47232 | ISP Alliance a.s. | 20,480 |
| AS29134 | Ignum s.r.o. | 20,480 |
| AS39791 | Telco Pro Services, a. s. | 19,456 |
| AS34040 | TTNET s.r.o. | 19,456 |
| AS61296 | TechCom s.r.o. | 17,408 |
| AS8251 | FreeTel, s.r.o. | 17,408 |
| AS196822 | SELECT SYSTEM, s.r.o. | 16,384 |
| AS197197 | M.NET STUDENKA s. r. o. | 16,384 |
| AS196735 | JON.CZ s.r.o. | 16,384 |
| AS50022 | Kristelecom Ltd. | 16,384 |
| AS51351 | LTD Objedinennaja Setevaja Kompanija | 15,360 |
| AS28972 | M-SOFT, spol. s r.o. | 15,360 |
| AS20723 | AVONET, s.r.o. | 15,360 |
| AS42306 | Edera Group a.s. | 14,336 |
| AS21430 | WIA spol. s.r.o. | 13,824 |
| AS207187 | TKR Jasek, s.r.o. | 13,312 |
| AS49985 | IP4ISP z.s.p.o | 13,312 |
| AS35592 | Coolhousing s.r.o. | 12,544 |
| AS48474 | FOFRNET spol. s r.o. | 12,288 |
| AS34315 | Dial Telecom, a.s. | 12,288 |
| AS15614 | Dragon Internet a.s. | 12,288 |
| AS24641 | FASTER CZ spol. s r.o. | 11,776 |
| AS197013 | Sprintel s.r.o. | 11,776 |
| AS198171 | HOSTING90 systems s.r.o. | 11,776 |
| AS197019 | WEDOS Internet, a.s. | 11,264 |
| AS196845 | OMEGA tech s.r.o. | 11,264 |
| AS50698 | TETA s.r.o. | 11,264 |
| AS198605 | AVAST Software s.r.o. | 10,496 |
| AS50241 | UnitTelecom Ltd | 10,240 |
| AS47834 | SOFTEX NCP, s.r.o. | 10,240 |
| AS49106 | Opticom Group CJSC | 10,240 |
| AS43542 | OptoNet Communication, spol. s.r.o. | 10,240 |
| AS35214 | OXID Networks s.r.o. | 10,240 |
| AS34080 | MIRAMO spol. s.r.o. | 10,240 |
| AS35361 | GREPA Networks s.r.o. | 10,240 |
| AS43070 | JAW.cz s.r.o. | 9,728 |
| AS48574 | Planet A, a.s. | 9,216 |
| AS49889 | Crystal Telecom Ltd | 8,448 |
| AS43507 | RETE internet, s.r.o. | 8,192 |
| AS33943 | Cesky Bezdrat, s.r.o. | 8,192 |
| AS25234 | ACTIVE 24 | 8,192 |
| AS47493 | WMS s.r.o. | 8,192 |
| AS49101 | KABELOVA TELEVIZE CZ s.r.o. | 8,192 |
| AS62160 | Yes Networks Unlimited Ltd | 8,192 |
| AS42000 | Kaora s.r.o. | 8,192 |
| AS57564 | BAJA Group s.r.o. | 8,192 |
| AS197798 | Net-Connect s.r.o. | 8,192 |
| AS51731 | GTT a.s. | 8,192 |
| AS43709 | SilesNet s.r.o. | 8,192 |
| AS41088 | N-SYS s.r.o. | 8,192 |
| AS35236 | 2 connect a.s. | 8,192 |
| AS35613 | NetDataComm, s.r.o. | 8,192 |
| AS57800 | Cadr-TV LLE TVRC | 8,192 |
| AS198002 | FDLnet.CZ, s.r.o. | 8,192 |
| AS57069 | Dempsey and Clark s.r.o. | 8,192 |
| AS8913 | Mopos Communications A.S. | 8,192 |
| AS202237 | Wic-Net, s.r.o. | 8,192 |
| AS56566 | SATT a.s. | 8,192 |
| AS51891 | GSP ltd. | 8,192 |
| AS201476 | ISP Alliance a.s. | 7,936 |
| AS8518 | RFE/RL, Inc., organizacni slozka | 7,424 |
| AS33883 | TRIOPTIMUM s.r.o. | 7,168 |
| AS200918 | Pavel Zizka | 7,168 |
| AS35046 | OMEGA plus Chrudim s.r.o. | 7,168 |
| AS39235 | Dat, s.r.o. | 7,168 |
| AS48926 | Pe3ny Net s.r.o. | 7,168 |
| AS29583 | Spinoco Czech Republic, a.s. | 6,400 |
| AS25192 | CZ.NIC, z.s.p.o. | 6,400 |
| AS51428 | IRONNET Ltd. | 6,144 |
| AS59479 | GEMNET s.r.o. | 6,144 |
| AS34222 | ZONER software, a.s | 6,144 |
| AS207198 | Kabelova televize Koprivnice, s.r.o. | 6,144 |
| AS50025 | Net Television Ltd | 6,144 |
| AS197307 | Core4Net, s.r.o. | 6,144 |
| AS39761 | ABAK, Ltd. | 6,144 |
| AS198813 | SychrovNET s.r.o | 6,144 |
| AS28905 | BECO Link,spol.s.r.o. | 6,144 |
| AS43413 | NEW TELEKOM, spol. s r.o. | 6,144 |
| AS44065 | NETAIR s.r.o. | 6,144 |
| AS47114 | SychrovNET s.r.o | 6,144 |
| AS207242 | NOEL, s.r.o. | 5,120 |
| AS198403 | Matrigo s.r.o. | 5,120 |
| AS198668 | Tlapnet s.r.o. | 5,120 |
| AS202895 | TFnet s.r.o. | 5,120 |
| AS39817 | OvaNet, a.s. | 5,120 |
| AS50825 | UVT Internet s.r.o. | 5,120 |
| AS48494 | BUKO LTD | 5,120 |
| AS39790 | Web4U s.r.o. | 5,120 |
| AS31349 | a-net Liberec s.r.o. | 5,120 |
| AS197296 | Maxtel s.r.o. | 5,120 |
| AS196843 | KHnet.info, z.s. | 5,120 |
| AS62178 | MASTER IT Technologies, a.s. | 5,120 |
| AS48661 | AIRWAYNET, a.s. | 5,120 |
| AS202618 | Rychly drat, s.r.o. | 5,120 |
| AS49025 | PRO-ZETA a.s. | 5,120 |
| AS41670 | hkfree.org z.s. | 5,120 |
| AS30877 | Ariadna-Link CJSC | 5,120 |
| AS42189 | Druzstvo EUROSIGNAL | 5,120 |
| AS52092 | Alf servis, s.r.o. | 4,608 |
| AS60592 | Gransy s.r.o. | 4,352 |
| AS39904 | MERIT GROUP a.s | 4,096 |
| AS49767 | INTERNET Pb, spol. s r.o. | 4,096 |
| AS57294 | Internet Expert s.r.o. | 4,096 |
| AS29086 | GiTy, a.s. | 4,096 |
| AS204064 | TaNET West s.r.o. | 4,096 |
| AS197846 | Radovan Ochvat trading as SAO Computers | 4,096 |
| AS48780 | OLTELECOM JSC | 4,096 |
| AS57399 | MONEX s.r.o. | 4,096 |
| AS42477 | Cerberos s.r.o. | 4,096 |
| AS48417 | ITS akciova spolecnost | 4,096 |
| AS47269 | Core4Net, s.r.o. | 4,096 |
| AS197550 | Internet4you.cz, spol. s r.o. | 4,096 |
| AS47868 | SUPRO, spol. s r.o. | 4,096 |
| AS57496 | AIRESS CESKO s.r.o. | 4,096 |
| AS41453 | SITEL spol. s r.o. | 4,096 |
| AS44070 | MCnet, s.r.o. | 4,096 |
| AS49890 | ABLE agency, s.r.o. | 4,096 |
| AS198420 | CMS Consulting s.r.o. | 4,096 |
| AS198500 | Masarykova univerzita - Ustav vypocetni techniky | 4,096 |
| AS57279 | Sauron CZ s.r.o. | 4,096 |
| AS56456 | C2NET s.r.o. | 4,096 |
| AS56450 | Alberon Letohrad s.r.o | 4,096 |
| AS198991 | CET 21 spol. s.r.o. | 4,096 |
| AS56442 | Lubos Hutar | 4,096 |
| AS56360 | TRINITY CZECH REPUBLIC, s.r.o. | 4,096 |
| AS21045 | QNET CZ s.r.o. | 4,096 |
| AS57287 | OtavaNet s.r.o. | 4,096 |
| AS52115 | JaroNet s.r.o. | 4,096 |
| AS51968 | NEOS v.o.s. | 4,096 |
| AS196782 | Marek Smutny | 4,096 |
| AS51800 | FIBER Network s.r.o. | 4,096 |
| AS62099 | JM-Net, z.s. | 4,096 |
| AS57188 | ORKA systems, s.r.o. | 4,096 |
| AS51427 | HUMLNET s.r.o. | 4,096 |
| AS60931 | LAN-Service Ltd. | 4,096 |
| AS201730 | DataSpring s.r.o. | 4,096 |
| AS43203 | TELCONET s.r.o. | 4,096 |
| AS197029 | LAM plus s.r.o. | 4,096 |
| AS207239 | NetX R&D z.s. | 3,584 |
| AS200678 | ISP Alliance a.s. | 3,328 |
| AS200059 | AIRWEB, spol. s r.o. | 3,072 |
| AS197879 | HelaPC s.r.o. | 3,072 |
| AS44712 | eHAMnet, s.r.o. | 3,072 |
| AS56973 | VITKOVICE IT SOLUTIONS a.s. | 3,072 |
| AS57077 | AB-NET s.r.o. | 3,072 |
| AS43037 | Seznam.cz, a.s. | 3,072 |
| AS197046 | FIXnet s.r.o. | 3,072 |
| AS34047 | Bystrov Dmitriy Sergeevich | 3,072 |
| AS47317 | Web4ce, s.r.o. | 3,072 |
| AS47727 | Warnet.cz s.r.o. | 3,072 |
| AS48298 | MINISTERSTVO VNITRA CR | 3,072 |
| AS48364 | Radim Pytela - AC Vyskov | 3,072 |
| AS49320 | Golitsyno Telecom Ltd | 3,072 |
| AS44002 | Sys-DataCom s.r.o. | 3,072 |
| AS43614 | Economia a.s. | 3,072 |
| AS198167 | Apptocloud.com s.r.o. | 2,816 |
| AS34955 | Martin Vicenik | 2,816 |
| AS47909 | Baikal-Telecom Ltd. | 2,560 |
| AS51234 | Telecompany Fialka Ltd. | 2,560 |
| AS52058 | Michal Najman | 2,560 |
| AS198977 | UnArtel s.r.o. | 2,560 |
| AS50398 | Fast Communication, s.r.o. | 2,560 |
| AS202657 | Pavel Jochim | 2,560 |
| AS47949 | gsnet.cz s.r.o. | 2,304 |
| AS6881 | NIX.CZ z.s.p.o. | 2,304 |
| AS201811 | Austole s.r.o. | 2,304 |
| AS197206 | BusinessCom CZ spol. s r.o. | 2,304 |
| AS34049 | H-data, spol. s r.o. | 2,304 |
| AS48960 | AQUA,a.s. | 2,304 |
| AS44430 | MaRcom-Eko s.r.o. | 2,304 |
| AS34911 | ELDATA prazska s.r.o. | 2,304 |
| AS50301 | BrazdimNET s.r.o. | 2,304 |
| AS198161 | Sokolovska uhelna, pravni nastupce, a.s. | 2,048 |
| AS206818 | CLABOR TECH SOLUTION LLC | 2,048 |
| AS198248 | Richard Filip | 2,048 |
| AS43895 | Zentiva k.s. | 2,048 |
| AS43757 | ICZ a.s. | 2,048 |
| AS21241 | Global Payments Europe, s.r.o. | 2,048 |
| AS198282 | SAT - AN CableNet SE | 2,048 |
| AS31461 | Moravia IT s.r.o. | 2,048 |
| AS41030 | Jaroslav Novotny | 2,048 |
| AS40964 | ASTELNET s.r.o. | 2,048 |
| AS39896 | Angel Systems s.r.o. | 2,048 |
| AS38952 | MAFRA, a.s. | 2,048 |
| AS56624 | Petr Kadanik | 2,048 |
| AS199101 | MITRANET.CZ, s.r.o. | 2,048 |
| AS52176 | TTC TELEKOMUNIKACE s.r.o. | 2,048 |
| AS52154 | mjanik.net s.r.o. | 2,048 |
| AS52130 | LiveSport s.r.o. | 2,048 |
| AS52084 | ATL Obchodni s.r.o. | 2,048 |
| AS196684 | VITALATIV, s.r.o. | 2,048 |
| AS52029 | Ing. Petr Lukes | 2,048 |
| AS200114 | PRO-COMUNICATION s.r.o | 2,048 |
| AS196815 | LAN servis s.r.o. | 2,048 |
| AS51655 | Ilim Telecom Ltd. | 2,048 |
| AS62011 | UNHfree.net z.s. | 2,048 |
| AS51525 | Informacionnuye technologiyi Ltd | 2,048 |
| AS51524 | Ales Tesacek | 2,048 |
| AS196861 | DIGITAL ACTION s.r.o. | 2,048 |
| AS51400 | SPOJE.NET s.r.o. | 2,048 |
| AS196873 | Netlancers s.r.o. | 2,048 |
| AS61425 | Mlada fronta a.s. | 2,048 |
| AS201648 | Plzensky kraj | 2,048 |
| AS201654 | Web4Soft Internet s.r.o. | 2,048 |
| AS51210 | KRAXNET s.r.o. | 2,048 |
| AS50975 | AVX Czech republic s.r.o | 2,048 |
| AS50971 | JHComp s.r.o. | 2,048 |
| AS50442 | Multi-Net plus Ltd | 2,048 |
| AS50348 | KVADOS, a.s. | 2,048 |
| AS60529 | Miroslav Klement | 2,048 |
| AS59970 | AmigoNet s.r.o. | 2,048 |
| AS197083 | K2 atmitec s.r.o. | 2,048 |
| AS59959 | SferiaNET.cz s.r.o. | 2,048 |
| AS50163 | Altnet s.r.o. | 2,048 |
| AS203165 | Statni pokladna Centrum sdilenych sluzeb, s.p. | 2,048 |
| AS197218 | PP Dmutrashko Evgeny Vitalievich | 2,048 |
| AS197277 | State Institute for Drug Control | 2,048 |
| AS57823 | INERCOM, s.r.o. | 2,048 |
| AS49085 | Svyaz-Service-Internet Ltd | 2,048 |
| AS204165 | Cznet s.r.o. | 2,048 |
| AS197393 | Ladislav Rudolf | 2,048 |
| AS57798 | IT-Net ltd. | 2,048 |
| AS48451 | Prazska energetika, a.s. | 2,048 |
| AS197442 | ZENIT-servis s.r.o. | 2,048 |
| AS197542 | Jan Saulich | 2,048 |
| AS197565 | Golden activity s.r.o. | 2,048 |
| AS47913 | Cerberos s.r.o. | 2,048 |
| AS57566 | Wircom s.r.o. | 2,048 |
| AS47767 | Regionalni centrum Olomouc s.r.o. | 2,048 |
| AS20609 | KAZA.cz s.r.o. | 2,048 |
| AS47131 | PH, spol. s r. o. | 2,048 |
| AS206334 | AVG Technologies CZ, s.r.o. | 2,048 |
| AS57288 | StaMPi, spol. s r.o. | 2,048 |
| AS206420 | KABEL servis Praha spol. s r.o. | 2,048 |
| AS206429 | CORSAT s.r.o | 2,048 |
| AS198031 | Trustica s.r.o. | 2,048 |
| AS206548 | Tlap s.r.o. | 2,048 |
| AS44500 | Vlasimnet s.r.o. | 2,048 |
| AS44424 | Internet Mall, a.s. | 2,048 |
| AS42078 | XOTEL SIA | 1,792 |
| AS202921 | CC INTERNET s.r.o. | 1,792 |
| AS200844 | STUDENT AGENCY k.s. | 1,792 |
| AS196653 | BEST-NET s.r.o. | 1,536 |
| AS58239 | hanspaul-city.net s.r.o. | 1,536 |
| AS42995 | Geotelecom Ltd. | 1,536 |
| AS197694 | Municipal Office of the City Prague | 1,536 |
| AS199803 | ComSource s.r.o. | 1,536 |
| AS48091 | Kraj Vysocina | 1,536 |
| AS62403 | Disk Group Ltd. | 1,536 |
| AS6679 | Skadi Telecom JSC | 1,536 |
| AS197920 | SKODA ICT s.r.o. | 1,280 |
| AS47110 | Cloud4com, a.s. | 1,280 |
| AS198725 | Ultimum Technologies s.r.o. | 1,280 |
| AS197376 | Autocont CZ a.s. | 1,280 |
| AS204332 | TKC system s.r.o. | 1,280 |
| AS49013 | Fusion Media, s.r.o. | 1,280 |
| AS49359 | Dmitry Kozhushko | 1,280 |
| AS51211 | PE Rulev Dmitriy Alexandrovich | 1,280 |
| AS57081 | Scarfbot Technologies, s.r.o. | 1,024 |
| AS12984 | PilsFree, z. s. | 1,024 |
| AS13199 | Jaroslav Doubrava | 1,024 |
| AS196978 | Milos Tuma | 1,024 |
| AS197444 | Vlastimil Drazsky | 1,024 |
| AS197575 | CHP "Mediana-Servis" | 1,024 |
| AS197786 | Telefonnyie seti Ltd. | 1,024 |
| AS197895 | ONYX engineering, spol. s r.o. | 1,024 |
| AS198101 | Kooperativa pojistovna, a.s., Vienna Insurance Group | 1,024 |
| AS198212 | "TeleNet Sayansk" LLC | 1,024 |
| AS198284 | Mesto Velka Bystrice | 1,024 |
| AS198346 | NETFORMS s.r.o. | 1,024 |
| AS198657 | GOLDWARE s.r.o. | 1,024 |
| AS198814 | ALPHA StylSoft, s.r.o. | 1,024 |
| AS199298 | Jan Stetina | 1,024 |
| AS199350 | Ministerstvo financi | 1,024 |
| AS199405 | Oslavany.NET | 1,024 |
| AS199490 | INTERCONNECT s.r.o. | 1,024 |
| AS199600 | Virtis s.r.o. | 1,024 |
| AS199657 | TNtech, s.r.o. | 1,024 |
| AS199711 | Narodni bezpecnostni urad | 1,024 |
| AS199722 | Sberbank CZ, a.s. | 1,024 |
| AS200155 | Technologicke centrum Pisek s.r.o. | 1,024 |
| AS200449 | Qrator Labs CZ s.r.o. | 1,024 |
| AS200474 | CRFreeNet, z.s. | 1,024 |
| AS200600 | Seznam.cz datova centra, s.r.o. | 1,024 |
| AS200635 | pragmatel s.r.o. | 1,024 |
| AS200717 | STEN.cz s.r.o. | 1,024 |
| AS200828 | TERMS a.s. | 1,024 |
| AS200848 | Miroslav Holienka | 1,024 |
| AS200874 | Liberecky kraj | 1,024 |
| AS201163 | Komercni banka, a.s. | 1,024 |
| AS201179 | Vaudevile s.r.o. | 1,024 |
| AS201457 | Pojistovna Ceske sporitelny, a.s., Vienna Insurance Group | 1,024 |
| AS201533 | United Networks SE | 1,024 |
| AS201548 | Milan Zelenka | 1,024 |
| AS201559 | United Networks SE | 1,024 |
| AS201625 | United Networks SE | 1,024 |
| AS201727 | Spolek bubakov.net | 1,024 |
| AS201926 | Futurenet ISP s.r.o. | 1,024 |
| AS202551 | INERA.CZ s.r.o. | 1,024 |
| AS202556 | Spolek Krivonet | 1,024 |
| AS202605 | EMPECOM, s.r.o. | 1,024 |
| AS202682 | G2 server CZ s.r.o. | 1,024 |
| AS202719 | Pranet s.r.o. | 1,024 |
| AS202774 | COMTEX s.r.o. | 1,024 |
| AS202872 | KME, spol. s r. o. | 1,024 |
| AS202874 | Zlinsky Kraj | 1,024 |
| AS202877 | VEJNET.CZ s.r.o. | 1,024 |
| AS202979 | NGA Services, spol. s r.o. | 1,024 |
| AS203018 | PAMICO CZECH, s.r.o. | 1,024 |
| AS203328 | PVfree.net, z. s. | 1,024 |
| AS203376 | Mailkit s.r.o. | 1,024 |
| AS203365 | Optet network, s. r. o. | 1,024 |
| AS203385 | Pernix systems s.r.o. | 1,024 |
| AS203411 | FORTUNA GAME a.s. | 1,024 |
| AS203450 | LOGICPRIM s.r.o. | 1,024 |
| AS203550 | i2net cz s.r.o. | 1,024 |
| AS204409 | Komunikacni stroje s.r.o. | 1,024 |
| AS204567 | PCKBnet s.r.o. | 1,024 |
| AS204570 | Vratislav Kriz | 1,024 |
| AS204772 | Reditelstvi silnic a dalnic CR | 1,024 |
| AS204886 | Metropolitni sit Humpolec spol. s r.o. | 1,024 |
| AS204949 | Ceskomoravske informacni systemy s.r.o. | 1,024 |
| AS204992 | Netragy, LLC | 1,024 |
| AS205002 | CUBESOL, s.r.o. | 1,024 |
| AS205044 | Pro-Line comp s.r.o. | 1,024 |
| AS205345 | HoralNET s.r.o. | 1,024 |
| AS205300 | Sunfox s.r.o. | 1,024 |
| AS205400 | VIVO CONNECTION spol. s r.o. | 1,024 |
| AS205535 | Windyghoul s.r.o. | 1,024 |
| AS205619 | Jiri Chalabala | 1,024 |
| AS205653 | Jumpshot s.r.o. | 1,024 |
| AS205863 | Stepan Pokorny | 1,024 |
| AS205968 | GeneralNet s.r.o. | 1,024 |
| AS205982 | Mraknet s.r.o. | 1,024 |
| AS206270 | TrojanoviceNET s.r.o. | 1,024 |
| AS206142 | Internet TV, Inc. | 1,024 |
| AS206177 | SitePark s.r.o. | 1,024 |
| AS206212 | KCG spol. s.r.o. | 1,024 |
| AS206287 | LysaFree, z.s. | 1,024 |
| AS206344 | AUKRO s.r.o. | 1,024 |
| AS20643 | PilsFree servis, s.r.o. | 1,024 |
| AS206438 | MX-NET Telekomunikace s.r.o. | 1,024 |
| AS206566 | savana.cz s.r.o | 1,024 |
| AS206569 | TEORA s.r.o. | 1,024 |
| AS206784 | Internet Praha Josefov s.r.o. | 1,024 |
| AS206951 | BMB-Green s.r.o. | 1,024 |
| AS207015 | Position s.r.o. | 1,024 |
| AS20708 | SKODA AUTO a.s. | 1,024 |
| AS207153 | Stream-iT, s.r.o. | 1,024 |
| AS21435 | Vodafone Czech Republic a.s. | 1,024 |
| AS25238 | MONETA Money Bank, a.s. | 1,024 |
| AS29504 | Freenet Liberec, z.s. | 1,024 |
| AS30738 | NetArt Group s.r.o. | 1,024 |
| AS31559 | Zdenek Soucek | 1,024 |
| AS35096 | Alef Nula a.s. | 1,024 |
| AS35420 | Perspektiva Ltd. | 1,024 |
| AS39307 | Digital Communications Ltd. | 1,024 |
| AS39736 | ICT Support, s.r.o. | 1,024 |
| AS41779 | LajsiNET s.r.o. | 1,024 |
| AS42269 | Foton Ltd | 1,024 |
| AS43129 | Smileinvest LTD | 1,024 |
| AS43130 | NKL LLC | 1,024 |
| AS44770 | Savvy s.r.o. | 1,024 |
| AS44910 | FH Miraj-94 | 1,024 |
| AS44984 | Fortion Networks, s.r.o. | 1,024 |
| AS47681 | RIO Media a.s. | 1,024 |
| AS47749 | ORIFLAME SOFTWARE s.r.o. | 1,024 |
| AS48085 | DNIPRO-Techcenter Ltd | 1,024 |
| AS48602 | Connect plus s.r.o. | 1,024 |
| AS49142 | HBO Europe s.r.o. | 1,024 |
| AS49573 | JimmyNet s.r.o. | 1,024 |
| AS49839 | MKS Ltd. | 1,024 |
| AS50107 | tcp cloud a.s. | 1,024 |
| AS50497 | Orlicom Ltd | 1,024 |
| AS50784 | Intraweb servis s.r.o. | 1,024 |
| AS50980 | E3.cz, sro | 1,024 |
| AS51025 | VSHosting s.r.o. | 1,024 |
| AS51371 | Ashtarak-Elit Ltd. | 1,024 |
| AS51382 | Ing. Leos Janouch | 1,024 |
| AS51744 | Non-profit organization Jablonka.cz | 1,024 |
| AS56344 | Lukas Vacek | 1,024 |
| AS56562 | Telecom Plus Company Ltd. | 1,024 |
| AS56827 | mirnet s.r.o. | 1,024 |
| AS56936 | Mbit City Ltd. | 1,024 |
| AS57007 | NITEX ISP s.r.o. | 1,024 |
| AS12344 | CZECH IT CLUSTER, druzstvo | 1,024 |
| AS57158 | MELVI s.r.o. | 1,024 |
| AS57191 | LLC IT Business | 1,024 |
| AS57560 | XLNET s.r.o. | 1,024 |
| AS57707 | Greendata s.r.o. | 1,024 |
| AS57779 | ICTIS.CZ s.r.o. | 1,024 |
| AS57904 | Vevynet s.r.o. | 1,024 |
| AS58220 | Tomas Budai | 1,024 |
| AS59664 | Opton s.r.o. | 1,024 |
| AS59871 | Heureka Shopping s.r.o | 1,024 |
| AS59925 | Seonet Multimedia s.r.o. | 1,024 |
| AS59984 | KLFREE NETWORKS, s.r.o. | 1,024 |
| AS60086 | Valvera s.r.o. | 1,024 |
| AS60266 | Home Credit International a.s. | 1,024 |
| AS61110 | Sprava informacnich technologii mesta Plzne, p.o. | 1,024 |
| AS61169 | SporkNeT s.r.o. | 1,024 |
| AS61981 | Mach3net s.r.o. | 1,024 |
| AS62102 | Informacni sluzby energetika a.s. | 1,024 |
| AS62176 | EZE A.S. | 1,024 |
| AS62405 | Brouzdal, s.r.o. | 1,024 |
| AS8646 | cloudinfrastack, s.r.o. | 1,024 |
| AS62159 | Happy Technik s.r.o. | 768 |
| AS199220 | KrU Stredoceskeho kraje | 768 |
| AS21205 | ING WholeSale Bank | 768 |
| AS51134 | INTACTO GAMES a.s. | 768 |
| AS196943 | VISSADO s.r.o. | 768 |
| AS57472 | JR-NET, s.r.o. | 768 |
| AS206712 | FELDSAM s.r.o. | 768 |
| AS59888 | PE Grinkiv Nadia Oliksandrivna | 768 |
| AS203208 | Czech Telecommunication Office | 768 |
| AS48098 | Valikov Yury Aleksandrovich | 768 |
| AS49997 | Piton Ltd | 512 |
| AS49580 | Monet +, a.s. | 512 |
| AS203080 | SAP SE | 512 |
| AS42174 | Sipcom Ltd. | 512 |
| AS30928 | ZAO Rubtsovsk | 512 |
| AS41359 | Telefonzentrale s.r.o. | 512 |
| AS197144 | PP SVS Stream | 512 |
| AS206785 | Magistrat mesta Brna | 512 |
| AS196687 | obcanske sdruzeni TRENET | 512 |
| AS205719 | Data & File Processing s.r.o. | 512 |
| AS59681 | Satellit PE | 512 |
| AS57919 | Wicom Ltd. | 512 |
| AS197353 | NN Management Services, s.r.o. | 512 |
| AS196764 | RFI Minprirody Rossii FBGU | 512 |
| AS197698 | D-H-T SYSTEMS s.r.o. | 512 |
| AS196789 | Norfes JSC | 512 |
| AS197815 | AVAST Software s.r.o. | 512 |
| AS198103 | CCS Ceska spolecnost pro platebni karty s.r.o. | 512 |
| AS198143 | Ceska Posta s.p. | 512 |
| AS204860 | NetX R&D z.s. | 512 |
| AS56988 | Mobile & Television Communications LLC | 512 |
| AS198564 | Elcoma s.r.o. | 512 |
| AS25321 | GROUP 4 Secure Solutions a.s. | 512 |
| AS204668 | ASTANA Technologies s.r.o. | 512 |
| AS198621 | AVAST Software s.r.o. | 512 |
| AS198953 | PricewaterhouseCoopers IT Services, s.r.o. | 512 |
| AS200070 | CZ.NIC, z.s.p.o. | 512 |
| AS200806 | BOHEMIA ENERGY entity s.r.o. | 512 |
| AS51727 | SKODA POWER s.r.o. | 512 |
| AS201228 | Czech metrology institute | 512 |
| AS60275 | PlzenecNET z. s. | 512 |
| AS43866 | Altron a.s. | 512 |
| AS51448 | Uralskie Kabelnye Seti Ltd. | 512 |
| AS51245 | Center of Information Technologies Ltd. | 512 |
| AS201608 | UnArtel s.r.o. | 512 |
| AS25553 | TRK Gluhov Ltd. | 512 |
| AS50899 | Roman Bykovskyj | 512 |
| AS201934 | Ing. Jan Kolar | 512 |
| AS50695 | VLTAVA LABE MEDIA a.s. | 512 |
| AS206591 | Alza.cz a.s. | 512 |
| AS49121 | Infinity Telecom, s.r.o. | 512 |
| AS49313 | Seva-Host Ltd | 512 |
| AS203645 | Jan Ryznar | 512 |
| AS49334 | Sergey Krashevich | 512 |
| AS202131 | ISP Alliance a.s. | 512 |
| AS50321 | FOP "Reznichenko Sergey Mykolayovich" | 512 |
| AS50037 | Server Ltd | 512 |
| AS50015 | Oleksandr Butenko | 512 |
| AS49506 | GumsNet Ltd | 512 |
| AS49510 | TCV Ltd | 512 |
| AS20701 | Marias sro | 256 |
| AS44104 | LCJ s.r.o. | 256 |
| AS206468 | Treboradice.net z.s. | 256 |
| AS44672 | OncaOnca Ltd. | 256 |
| AS61123 | Ekoniva-Tehnika Ltd. | 256 |
| AS206329 | Infor (Barneveld) BV | 256 |
| AS205857 | Diverse Path Solutions Inc | 256 |
| AS205724 | T.S.BOHEMIA a.s. | 256 |
| AS47924 | Grigory Aleksandrovich Shushpanov | 256 |
| AS48405 | Logica Czech republic s.r.o. | 256 |
| AS48802 | OOO "Povolzhskiy Processingoviy Center" | 256 |
| AS48890 | SOLVO ltd | 256 |
| AS204113 | Security Information Service | 256 |
| AS60724 | Sicuro Services s. r. o. | 256 |
| AS203299 | Ivo Hazmuk | 256 |
| AS50097 | IPVOIP s.r.o. | 256 |
| AS61166 | Russian Federal Service for Alcohol Market Regulation | 256 |
| AS50248 | Vladivostok international airport JSC | 256 |
| AS50250 | Stavropol Committee for state purchases | 256 |
| AS50356 | Camelot Ltd | 256 |
| AS202084 | Penta Investments, s.r.o. | 256 |
| AS202073 | ALTRON Business Solutions, a.s. | 256 |
| AS61192 | PE Lubos Sziller | 256 |
| AS50843 | ACUTUS ltd. | 256 |
| AS51278 | Ignum s.r.o. | 256 |
| AS201594 | Czech Telecommunication Office | 256 |
| AS61371 | FOP Martsinkevich Vyacheslav Anatolyevich | 256 |
| AS61416 | STATE AUTONOMOUS ESTABLISHMENT OF THE ARKHANGELSK REGION "MANAGEMENT OF INFORMATION AND COMMUNICATION TECHNOLOGY OF ARKHANGELSK REGION" | 256 |
| AS201263 | Brno University of Technology | 256 |
| AS51463 | FAJNCOM s.r.o. | 256 |
| AS196916 | BusinessCom CZ spol. s r.o. | 256 |
| AS200646 | BH securities, a.s. | 256 |
| AS51884 | Tera Telecom Ltd | 256 |
| AS199806 | DCIT, a.s. | 256 |
| AS199665 | Hana Juzkova | 256 |
| AS199604 | OLOMOUCKY KRAJ | 256 |
| AS199059 | Maurice Ward & Co., s.r.o. | 256 |
| AS15380 | Air Navigation Services of the Czech Republic, state enterprise | 256 |
| AS56508 | Regionecoproduct-Povolzhie Ltd. | 256 |
| AS61985 | Technolink Ltd. | 256 |
| AS56717 | OG Soft s.r.o. | 256 |
| AS196849 | Marcela Byrtusova | 256 |
| AS56891 | Ceskomoravska zarucni a rozvojova banka, a.s. | 256 |
| AS56894 | Balezinskie lokalnyie seti, Ltd. | 256 |
| AS62083 | Fio banka, a.s. | 256 |
| AS62092 | LTV Europe Sicherheitstechnik GmbH i.G. | 256 |
| AS198494 | PREGIS, a.s | 256 |
| AS8747 | Dial Telecom, a.s. | 256 |
| AS57194 | CHP Koshelnik Sergey Valentinovich | 256 |
| AS197875 | Unipetrol Services s.r.o. | 256 |
| AS57376 | Vaclav Rosa | 256 |
| AS197566 | OK-NET s.r.o. | 256 |
| AS57572 | Lesta Ltd. | 256 |
| AS57760 | Kinet s.r.o. | 256 |
| AS196762 | ALKOM Security, a.s. | 256 |
| AS9053 | VSHosting s.r.o. | 256 |
| AS59552 | VHG Ltd | 256 |
| AS59825 | Green Technology Ltd. | 256 |
| AS59826 | PE Oleynik Dmitro Oleksandrovich | 256 |
| AS39453 | KSRZIS | 256 |
| AS39408 | AVI druzstvo | 256 |
| AS34293 | J.S.tel s.r.o. | 256 |
| AS33877 | Druzstvo OFX | 256 |
| AS41591 | Jaroslav Masaryk | 256 |
| AS15741 | Expiline Ltd. | 256 |
| AS3229 | Intek Ltd. | 256 |
| AS42847 | GlobexBank JSC | 256 |
| AS28892 | Cesky urad zememericky a katastralni | 256 |
| AS60218 | IT8 - Informacni technologie s.r.o. | 256 |
| AS25093 | Ceska sporitelna a.s. | 256 |
| AS20884 | O2 Czech Republic, a.s. | 256 |
| AS204375 | SychrovNET s.r.o | 0 |
| AS201187 | Whois protection s.r.o. | 0 |
| AS201007 | Tesco Stores CR a.s. | 0 |
| AS204383 | SPCom s.r.o. | 0 |
| AS196952 | BEZVANET s.r.o. | 0 |
| AS34070 | DATin internet s.r.o. | 0 |
| AS33919 | ServerNow s.r.o. | 0 |
| AS51801 | Nano.cz s.r.o. | 0 |
| AS25036 | O2 Czech Republic, a.s. | 0 |
| AS204394 | Cortex, a.s. | 0 |
| AS51902 | Web4Soft Internet s.r.o. | 0 |
| AS51961 | Doyter Group Limited | 0 |
| AS200034 | EZE A.S. | 0 |
| AS52027 | Leos Zalio | 0 |
| AS41267 | GREPA Networks s.r.o. | 0 |
| AS47200 | NIX.CZ z.s.p.o. | 0 |
| AS199630 | Municipal Office of the City Prague | 0 |
| AS199607 | ASSICURO PCO SICURO s.r.o. | 0 |
| AS3349 | PVT | 0 |
| AS199519 | Cloud4com | 0 |
| AS199471 | TeleNet Taishet Ltd. | 0 |
| AS204405 | Durnet.cz sro | 0 |
| AS5407 | PODA a.s. | 0 |
| AS5490 | Nextra Czech Republic s.r.o. | 0 |
| AS199180 | ALGETI s.r.o. | 0 |
| AS199176 | Gigalynx s.r.o. | 0 |
| AS41456 | KP NETWORK, spol. s r.o. | 0 |
| AS24828 | UPC Ceska Republica, s.r.o. | 0 |
| AS199023 | Aiming Invest s.r.o. | 0 |
| AS56427 | Michal Hradil | 0 |
| AS199019 | PPG DECO CZECH a.s. | 0 |
| AS204505 | IT & WP HOST s.r.o. | 0 |
| AS198882 | Karlovarsky Kraj | 0 |
| AS3234 | Parliament of the Czech Republic | 0 |
| AS56516 | Fayber-M Ltd. | 0 |
| AS41711 | FreeTel, s.r.o. | 0 |
| AS204666 | Jiri Tlapak | 0 |
| AS198587 | HBQ a.s. | 0 |
| AS21383 | PE Alexander Yakimov | 0 |
| AS41824 | O2 Czech Republic, a.s. | 0 |
| AS206463 | Pavel Zizka | 0 |
| AS206321 | STARTECH spol. s r.o. | 0 |
| AS47122 | inet4 s.r.o. | 0 |
| AS51105 | CIS TELECOM UK LTD | 0 |
| AS204746 | Komplet NET s.r.o. | 0 |
| AS3160 | Lumius, spol. s r.o. | 0 |
| AS198510 | Krajska zdravotni, a.s. | 0 |
| AS60143 | Brno University of Technology | 0 |
| AS196804 | Info-Media LTD | 0 |
| AS29525 | Virtualmaster, s.r.o. | 0 |
| AS198250 | ELDATA prazska s.r.o. | 0 |
| AS48268 | Inter Fiber s.r.o. | 0 |
| AS29274 | Obcanske sdruzeni GAVANET | 0 |
| AS204907 | Air Bank a.s. | 0 |
| AS60647 | Prazska plynarenska,a.s. | 0 |
| AS198027 | VITKOVICE IT SOLUTIONS a.s. | 0 |
| AS21142 | T-Mobile Czech Republic a.s. | 0 |
| AS29113 | UPC Ceska Republica, s.r.o. | 0 |
| AS204943 | NTV cable s.r.o. | 0 |
| AS205090 | NTX Technologies s.r.o. | 0 |
| AS197713 | MIKROSERVIS v.o.s | 0 |
| AS57523 | AMEuroTel s.r.o. | 0 |
| AS205121 | HOT Communication s.r.o. | 0 |
| AS205122 | RA Pioneers s.r.o. | 0 |
| AS28904 | PODA a.s. | 0 |
| AS206613 | Tipsport.net a.s. | 0 |
| AS15485 | T-Mobile Czech Republic a.s. | 0 |
| AS43043 | OPSYLON LLC. | 0 |
| AS205123 | Adept Media Group s.r.o. | 0 |
| AS57780 | VISSADO s.r.o. | 0 |
| AS197412 | Vladislav Heczko PE | 0 |
| AS205234 | Brnenske komunikace a.s. | 0 |
| AS197299 | CENTEL s.r.o. | 0 |
| AS28755 | ha-vel internet s.r.o. | 0 |
| AS205549 | FixPro,z.s. | 0 |
| AS197286 | ASJDMNET David Jarolimek | 0 |
| AS60208 | J&T BANKA, a.s. | 0 |
| AS197246 | Glow Internet s.r.o. | 0 |
| AS206832 | Yes Networks Unlimited Ltd | 0 |
| AS196746 | Speednet, s.r.o. | 0 |
| AS196965 | TechCom s.r.o. | 0 |
| AS8316 | Telenor Czech Republic | 0 |
| AS2819 | T-Mobile Czech Republic a.s. | 0 |
| AS49833 | Alexandr Y Potkin | 0 |
| AS203342 | Ladislav Rudolf | 0 |
| AS49972 | IT ADMIRABLE SERVICE LTD | 0 |
| AS203072 | DomaTV s.r.o. | 0 |
| AS60727 | K2 atmitec s.r.o. | 0 |
| AS49459 | Sigma plus Ltd. | 0 |
| AS202911 | Diovetech s.r.o. | 0 |
| AS202890 | HAKO, spol. s r.o. Jesenik | 0 |
| AS49418 | Domashnie Seti Ltd | 0 |
| AS43355 | UPL TELECOM s.r.o. | 0 |
| AS197026 | Galevi s.r.o. | 0 |
| AS202888 | KETNET s.r.o. | 0 |
| AS202733 | OK COMP s.r.o. | 0 |
| AS205885 | Navmatix s.r.o. | 0 |
| AS6721 | The Terminal Bar | 0 |
| AS202732 | Ing Petr Sramek | 0 |
| AS49417 | FOP Tikhon S. Zyuzikov | 0 |
| AS203488 | DaLuNET s.r.o. | 0 |
| AS206050 | FreeNetwork s.r.o. | 0 |
| AS59969 | FOP Kameristov Andrey Evgenovuch | 0 |
| AS197059 | HOTNET s.r.o. | 0 |
| AS50491 | Planet A, a.s. | 0 |
| AS15494 | BT Limited, organizacni slozka | 0 |
| AS203743 | ISP Alliance a.s. | 0 |
| AS202066 | Nas NET s.r.o. | 0 |
| AS50714 | Closed Joint Stock Company TransTeleCom | 0 |
| AS1903 | GTS Czech Republic Transit AS | 0 |
| AS201987 | HEXAGEEK s.r.o. | 0 |
| AS204007 | Kleissner Investments s.r.o. | 0 |
| AS206384 | Artemis Hosting s.r.o. | 0 |
| AS204051 | FLEA s.r.o. | 0 |
| AS201922 | amccomp s.r.o. | 0 |
| AS61195 | Peering.cz s.r.o. | 0 |
| AS49018 | Alphatech Resource Holdings s.r.o. | 0 |
| AS204214 | S.I.C. spol. s r.o. | 0 |
| AS51154 | Nej.cz s.r.o. | 0 |
| AS201761 | ISP Alliance a.s. | 0 |
| AS201671 | Emerald Real Group s.r.o. | 0 |
| AS48959 | OOO "Paladin Invent" | 0 |
| AS204247 | Jiri Dolezal | 0 |
| AS15512 | UPC Ceska Republica, s.r.o. | 0 |
| AS51331 | SychrovNET s.r.o | 0 |
| AS34692 | Freebone s.r.o. | 0 |
| AS34371 | Metropolitni s.r.o. | 0 |
| AS34302 | Sprintel s.r.o. | 0 |
| AS201732 | Maxicom Technologies s.r.o. | 0 |
| AS51403 | FOP Ljashenko Igor Ivanovich | 0 |
| AS201464 | ISP Alliance a.s. | 0 |
| AS51420 | OS Cyrilek.net | 0 |
| AS51424 | Jiri Sperl | 0 |
| AS207048 | SPANET s.r.o. | 0 |
| AS204351 | NAM system, a.s. | 0 |
| AS51449 | Kabelova televize Usti nad Orlici, spol. s r. o. | 0 |
| AS34095 | Nej.cz s.r.o. | 0 |
| AS51521 | KmNet s.r.o. | 0 |
Details
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
This page shows ASNs for Czech Republic. See the global ASN report for network, IP address information and whois details for other countries.