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. | 1,588,480 |
| AS5588 | T-Mobile Czech Republic a.s. | 1,363,712 |
| 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. | 216,320 |
| AS16019 | Vodafone Czech Republic a.s. | 174,592 |
| AS28725 | Ceska Telekomunikacni Infrastruktura a.s | 140,544 |
| AS25512 | CD-Telematika a.s. | 121,344 |
| 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. | 59,392 |
| AS28851 | Fortech s.r.o. | 58,368 |
| AS12570 | itself s.r.o. | 57,856 |
| 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. | 30,720 |
| AS34093 | Suntel Net s.r.o. | 28,672 |
| AS43708 | METRONET s.r.o. | 24,064 |
| AS47232 | ISP Alliance a.s. | 21,504 |
| AS29134 | Ignum s.r.o. | 20,480 |
| AS43541 | VSHosting s.r.o. | 19,712 |
| AS34040 | TTNET s.r.o. | 19,456 |
| AS39791 | Telco Pro Services, a. s. | 19,456 |
| AS61296 | TechCom s.r.o. | 17,408 |
| AS49931 | SITKOM spol. s r.o. | 17,408 |
| AS8251 | FreeTel, s.r.o. | 17,408 |
| AS197197 | M.NET STUDENKA s. r. o. | 16,384 |
| AS196735 | JON.CZ s.r.o. | 16,384 |
| AS196822 | SELECT SYSTEM, s.r.o. | 16,384 |
| AS50022 | Kristelecom Ltd. | 16,384 |
| AS20723 | AVONET, s.r.o. | 15,360 |
| AS51351 | LTD Objedinennaja Setevaja Kompanija | 15,360 |
| AS28972 | M-SOFT, spol. s r.o. | 15,360 |
| AS42306 | Edera Group a.s. | 14,336 |
| AS21430 | WIA spol. s.r.o. | 13,824 |
| AS35592 | Coolhousing s.r.o. | 13,568 |
| AS49985 | IP4ISP z.s.p.o | 13,312 |
| AS207187 | TKR Jasek, s.r.o. | 13,312 |
| AS24641 | FASTER CZ spol. s r.o. | 12,800 |
| AS197013 | Sprintel s.r.o. | 12,800 |
| AS48474 | Suntel Net s.r.o. | 12,288 |
| AS34315 | Dial Telecom, a.s. | 12,288 |
| AS15614 | Dragon Internet a.s. | 12,288 |
| AS198171 | HOSTING90 systems s.r.o. | 11,776 |
| AS50698 | TETA s.r.o. | 11,264 |
| AS43542 | OptoNet Communication, spol. s.r.o. | 11,264 |
| AS197019 | WEDOS Internet, a.s. | 11,264 |
| AS196845 | OMEGA tech s.r.o. | 11,264 |
| AS198605 | AVAST Software s.r.o. | 10,752 |
| AS50241 | UnitTelecom Ltd | 10,240 |
| AS34080 | MIRAMO spol. s.r.o. | 10,240 |
| AS49106 | Opticom Group CJSC | 10,240 |
| AS47834 | SOFTEX NCP, s.r.o. | 10,240 |
| AS35214 | Suntel Net s.r.o. | 10,240 |
| AS35361 | GREPA Networks s.r.o. | 10,240 |
| AS43070 | JAW.cz s.r.o. | 9,728 |
| AS49101 | KABELOVA TELEVIZE CZ s.r.o. | 9,216 |
| AS48574 | Planet A, a.s. | 9,216 |
| AS203072 | DomaTV s.r.o. | 8,448 |
| AS49889 | Crystal Telecom Ltd | 8,448 |
| AS42000 | Futruy s.r.o. | 8,448 |
| AS47493 | WMS s.r.o. | 8,192 |
| AS25234 | ACTIVE 24 | 8,192 |
| AS43709 | SilesNet s.r.o. | 8,192 |
| AS43507 | RETE internet, s.r.o. | 8,192 |
| AS33943 | Cesky Bezdrat, s.r.o. | 8,192 |
| AS35236 | 2 connect a.s. | 8,192 |
| AS35613 | NetDataComm, s.r.o. | 8,192 |
| AS57069 | Dempsey and Clark s.r.o. | 8,192 |
| AS56566 | SATT a.s. | 8,192 |
| AS62160 | Yes Networks Unlimited Ltd | 8,192 |
| AS51891 | GSP ltd. | 8,192 |
| AS51731 | GTT a.s. | 8,192 |
| AS51420 | OS Cyrilek.net | 8,192 |
| AS202237 | Wic-Net, s.r.o. | 8,192 |
| AS197798 | Net-Connect s.r.o. | 8,192 |
| AS57800 | Cadr-TV LLE TVRC | 8,192 |
| AS8913 | Mopos Communications A.S. | 8,192 |
| AS198002 | FDLnet.CZ, s.r.o. | 8,192 |
| AS57564 | BAJA Group s.r.o. | 8,192 |
| AS201476 | ISP Alliance a.s. | 7,936 |
| AS33883 | TRIOPTIMUM s.r.o. | 7,168 |
| AS48926 | Pe3ny Net s.r.o. | 7,168 |
| AS8518 | RFE/RL, Inc., organizacni slozka | 7,168 |
| AS39235 | Suntel Net s.r.o. | 7,168 |
| AS35046 | OMEGA plus Chrudim s.r.o. | 7,168 |
| AS25192 | CZ.NIC, z.s.p.o. | 6,400 |
| AS29583 | Spinoco Czech Republic, a.s. | 6,400 |
| AS198668 | Tlapnet s.r.o. | 6,400 |
| AS47114 | SychrovNET s.r.o | 6,144 |
| AS51428 | IRONNET Ltd. | 6,144 |
| AS197307 | Core4Net, s.r.o. | 6,144 |
| AS44065 | NETAIR s.r.o. | 6,144 |
| AS50025 | Net Television Ltd | 6,144 |
| AS39761 | ABAK, Ltd. | 6,144 |
| AS28905 | BECO Link,spol.s.r.o. | 6,144 |
| AS59479 | GEMNET s.r.o. | 6,144 |
| AS207198 | Kabelova televize Koprivnice, s.r.o. | 6,144 |
| AS34222 | ZONER software, a.s | 6,144 |
| AS200918 | Pavel Zizka | 6,144 |
| AS43413 | NEW TELEKOM, spol. s r.o. | 6,144 |
| AS198813 | SychrovNET s.r.o | 6,144 |
| AS204860 | NetX R&D z.s. | 5,632 |
| AS42477 | Cerberos s.r.o. | 5,120 |
| AS49025 | PRO-ZETA a.s. | 5,120 |
| AS31349 | a-net Liberec s.r.o. | 5,120 |
| AS50825 | UVT Internet s.r.o. | 5,120 |
| AS48494 | BUKO LTD | 5,120 |
| AS198403 | Matrigo s.r.o. | 5,120 |
| AS48661 | AIRWAYNET, a.s. | 5,120 |
| AS39817 | OvaNet, a.s. | 5,120 |
| AS41670 | hkfree.org z.s. | 5,120 |
| AS197296 | Maxtel s.r.o. | 5,120 |
| AS42189 | Druzstvo EUROSIGNAL | 5,120 |
| AS39790 | Web4U s.r.o. | 5,120 |
| AS62178 | MASTER IT Technologies, a.s. | 5,120 |
| AS196843 | KHnet.info, z.s. | 5,120 |
| AS30877 | Ariadna-Link CJSC | 5,120 |
| AS202618 | Rychly drat, s.r.o. | 5,120 |
| AS49767 | INTERNET Pb, spol. s r.o. | 5,120 |
| AS207242 | NOEL, s.r.o. | 5,120 |
| AS202895 | TFnet s.r.o. | 5,120 |
| AS197550 | Internet4you.cz, spol. s r.o. | 4,864 |
| AS52092 | Alf servis, s.r.o. | 4,608 |
| AS60592 | Gransy s.r.o. | 4,352 |
| AS43203 | TELCONET s.r.o. | 4,352 |
| AS52115 | JaroNet s.r.o. | 4,096 |
| AS196782 | Marek Smutny | 4,096 |
| AS198991 | CET 21 spol. s.r.o. | 4,096 |
| AS62099 | JM-Net, z.s. | 4,096 |
| AS57294 | Internet Expert s.r.o. | 4,096 |
| AS56360 | TRINITY CZECH REPUBLIC, s.r.o. | 4,096 |
| AS56442 | Lubos Hutar | 4,096 |
| AS56450 | Alberon Letohrad s.r.o | 4,096 |
| AS198500 | Masarykova univerzita - Ustav vypocetni techniky | 4,096 |
| AS56456 | C2NET s.r.o. | 4,096 |
| AS57279 | Sauron CZ s.r.o. | 4,096 |
| AS48417 | ITS akciova spolecnost | 4,096 |
| AS51968 | NEOS v.o.s. | 4,096 |
| AS49890 | ABLE agency, s.r.o. | 4,096 |
| AS21045 | QNET CZ s.r.o. | 4,096 |
| AS57496 | AIRESS CESKO s.r.o. | 4,096 |
| AS29086 | GiTy, a.s. | 4,096 |
| AS57287 | OtavaNet s.r.o. | 4,096 |
| AS39904 | MERIT GROUP a.s | 4,096 |
| AS51800 | FIBER Network s.r.o. | 4,096 |
| AS47868 | SUPRO, spol. s r.o. | 4,096 |
| AS204064 | TaNET West s.r.o. | 4,096 |
| AS51427 | HUMLNET s.r.o. | 4,096 |
| AS57399 | MONEX s.r.o. | 4,096 |
| AS44070 | MCnet, s.r.o. | 4,096 |
| AS197029 | LAM plus s.r.o. | 4,096 |
| AS201730 | DataSpring s.r.o. | 4,096 |
| AS47269 | Core4Net, s.r.o. | 4,096 |
| AS57188 | ORKA systems, s.r.o. | 4,096 |
| AS41453 | SITEL spol. s r.o. | 4,096 |
| AS60931 | LAN-Service Ltd. | 4,096 |
| AS198420 | CMS Consulting s.r.o. | 4,096 |
| AS48780 | OLTELECOM JSC | 4,096 |
| AS197846 | Radovan Ochvat trading as SAO Computers | 4,096 |
| AS200678 | ISP Alliance a.s. | 3,328 |
| AS47317 | Web4ce, s.r.o. | 3,072 |
| AS34047 | Bystrov Dmitriy Sergeevich | 3,072 |
| AS43037 | Seznam.cz, a.s. | 3,072 |
| AS200059 | AIRWEB, spol. s r.o. | 3,072 |
| AS56973 | VITKOVICE IT SOLUTIONS a.s. | 3,072 |
| AS197046 | FIXnet s.r.o. | 3,072 |
| AS43614 | Economia a.s. | 3,072 |
| AS206548 | Tlap s.r.o. | 3,072 |
| AS44002 | Sys-DataCom s.r.o. | 3,072 |
| AS44712 | eHAMnet, s.r.o. | 3,072 |
| AS49320 | Golitsyno Telecom Ltd | 3,072 |
| AS197879 | HelaPC s.r.o. | 3,072 |
| AS47727 | Warnet.cz s.r.o. | 3,072 |
| AS198031 | Trustica s.r.o. | 3,072 |
| AS48364 | Radim Pytela - AC Vyskov | 3,072 |
| AS48298 | MINISTERSTVO VNITRA CR | 3,072 |
| AS57077 | AB-NET s.r.o. | 3,072 |
| AS198167 | Apptocloud.com s.r.o. | 2,816 |
| AS34955 | Martin Vicenik | 2,816 |
| AS47909 | Baikal-Telecom Ltd. | 2,560 |
| AS202657 | Pavel Jochim | 2,560 |
| AS50398 | Fast Communication, s.r.o. | 2,560 |
| AS52058 | Michal Najman | 2,560 |
| AS51234 | Telecompany Fialka Ltd. | 2,560 |
| AS198977 | UnArtel s.r.o. | 2,560 |
| AS50301 | BrazdimNET s.r.o. | 2,304 |
| AS34049 | H-data, spol. s r.o. | 2,304 |
| AS201811 | Austole s.r.o. | 2,304 |
| AS34911 | ELDATA prazska s.r.o. | 2,304 |
| AS48960 | AQUA,a.s. | 2,304 |
| AS197206 | BusinessCom CZ spol. s r.o. | 2,304 |
| AS44430 | MaRcom-Eko s.r.o. | 2,304 |
| AS6881 | NIX.CZ z.s.p.o. | 2,304 |
| AS47949 | gsnet.cz s.r.o. | 2,304 |
| AS197542 | Jan Saulich | 2,048 |
| AS201654 | Web4Soft Internet s.r.o. | 2,048 |
| AS21241 | Global Payments Europe, s.r.o. | 2,048 |
| AS201648 | Plzensky kraj | 2,048 |
| AS44500 | Vlasimnet s.r.o. | 2,048 |
| AS43757 | ICZ a.s. | 2,048 |
| AS204165 | Cznet s.r.o. | 2,048 |
| AS52029 | Ing. Petr Lukes | 2,048 |
| AS197565 | Golden activity s.r.o. | 2,048 |
| AS206420 | KABEL servis Praha spol. s r.o. | 2,048 |
| AS61425 | Mlada fronta a.s. | 2,048 |
| AS57823 | INERCOM, s.r.o. | 2,048 |
| AS62011 | UNHfree.net z.s. | 2,048 |
| AS50971 | JHComp s.r.o. | 2,048 |
| AS60529 | Miroslav Klement | 2,048 |
| AS197277 | State Institute for Drug Control | 2,048 |
| AS59970 | AmigoNet s.r.o. | 2,048 |
| AS43895 | Zentiva k.s. | 2,048 |
| AS51400 | SPOJE.NET s.r.o. | 2,048 |
| AS50442 | Multi-Net plus Ltd | 2,048 |
| AS59959 | SferiaNET.cz s.r.o. | 2,048 |
| AS51524 | Ales Tesacek | 2,048 |
| AS203165 | Statni pokladna Centrum sdilenych sluzeb, s.p. | 2,048 |
| AS50348 | KVADOS, a.s. | 2,048 |
| AS51525 | Informacionnuye technologiyi Ltd | 2,048 |
| AS197393 | Ladislav Rudolf | 2,048 |
| AS51655 | Ilim Telecom Ltd. | 2,048 |
| AS197442 | ZENIT-servis s.r.o. | 2,048 |
| AS44424 | Internet Mall, a.s. | 2,048 |
| AS50163 | Altnet s.r.o. | 2,048 |
| AS206818 | CLABOR TECH SOLUTION LLC | 2,048 |
| AS48451 | Prazska energetika, a.s. | 2,048 |
| AS196684 | VITALATIV, s.r.o. | 2,048 |
| AS39896 | Angel Systems s.r.o. | 2,048 |
| AS198161 | Sokolovska uhelna, pravni nastupce, a.s. | 2,048 |
| AS20609 | KAZA.cz s.r.o. | 2,048 |
| AS47131 | PH, spol. s r. o. | 2,048 |
| AS31461 | Moravia IT s.r.o. | 2,048 |
| AS198282 | SAT - AN CableNet SE | 2,048 |
| AS57288 | StaMPi, spol. s r.o. | 2,048 |
| AS206334 | AVAST Software s.r.o. | 2,048 |
| AS56624 | Petr Kadanik | 2,048 |
| AS199101 | Suntel Net s.r.o. | 2,048 |
| AS206429 | CORSAT s.r.o | 2,048 |
| AS47913 | Cerberos s.r.o. | 2,048 |
| AS50975 | AVX Czech republic s.r.o | 2,048 |
| AS197083 | K2 atmitec s.r.o. | 2,048 |
| AS41030 | Jaroslav Novotny | 2,048 |
| AS51210 | KRAXNET s.r.o. | 2,048 |
| AS197218 | PP Dmutrashko Evgeny Vitalievich | 2,048 |
| AS52084 | ATL Obchodni s.r.o. | 2,048 |
| AS196873 | Netlancers s.r.o. | 2,048 |
| AS196861 | DIGITAL ACTION s.r.o. | 2,048 |
| AS52130 | LiveSport s.r.o. | 2,048 |
| AS57798 | IT-Net ltd. | 2,048 |
| AS38952 | MAFRA, a.s. | 2,048 |
| AS47767 | Regionalni centrum Olomouc s.r.o. | 2,048 |
| AS52154 | mjanik.net s.r.o. | 2,048 |
| AS52176 | TTC TELEKOMUNIKACE s.r.o. | 2,048 |
| AS196815 | LAN servis s.r.o. | 2,048 |
| AS200114 | PRO-COMUNICATION s.r.o | 2,048 |
| AS198248 | Richard Filip | 2,048 |
| AS40964 | ASTELNET s.r.o. | 2,048 |
| AS57566 | Wircom s.r.o. | 2,048 |
| AS200844 | STUDENT AGENCY k.s. | 1,792 |
| AS51134 | INTACTO GAMES a.s. | 1,792 |
| AS202921 | CC INTERNET s.r.o. | 1,792 |
| AS42078 | XOTEL SIA | 1,792 |
| AS196653 | BEST-NET s.r.o. | 1,536 |
| AS199803 | ComSource s.r.o. | 1,536 |
| AS62403 | Disk Group Ltd. | 1,536 |
| AS6679 | Skadi Telecom JSC | 1,536 |
| AS42995 | Geotelecom Ltd. | 1,536 |
| AS48091 | Kraj Vysocina | 1,536 |
| AS197694 | Municipal Office of the City Prague | 1,536 |
| AS58239 | hanspaul-city.net s.r.o. | 1,536 |
| AS197376 | Autocont CZ a.s. | 1,280 |
| AS51211 | PE Rulev Dmitriy Alexandrovich | 1,280 |
| AS197920 | SKODA ICT s.r.o. | 1,280 |
| AS49013 | Fusion Media, s.r.o. | 1,280 |
| AS204332 | TKC system s.r.o. | 1,280 |
| AS49359 | Dmitry Kozhushko | 1,280 |
| AS198725 | Ultimum Technologies s.r.o. | 1,280 |
| AS47110 | Cloud4com, a.s. | 1,280 |
| AS30738 | NetArt Group s.r.o. | 1,024 |
| AS12984 | PilsFree, z. s. | 1,024 |
| AS13199 | Jaroslav Doubrava | 1,024 |
| AS196952 | BEZVANET s.r.o. | 1,024 |
| AS196978 | Milos Tuma | 1,024 |
| AS197412 | Vladislav Heczko PE | 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 |
| AS200985 | BOK*Net, z.s. | 1,024 |
| AS201116 | Vybezek.NET s.r.o. | 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 |
| AS203365 | Optet network, s. r. o. | 1,024 |
| AS203376 | Mailkit 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 |
| AS204007 | Kleissner Investments s.r.o. | 1,024 |
| AS204351 | NAM system, a.s. | 1,024 |
| AS204383 | SPCom s.r.o. | 1,024 |
| AS204394 | Cortex, a.s. | 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 |
| AS204943 | NTV cable 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 |
| AS205234 | Brnenske komunikace a.s. | 1,024 |
| AS205300 | Sunfox s.r.o. | 1,024 |
| AS205345 | HoralNET 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 |
| AS206142 | Internet TV, Inc. | 1,024 |
| AS206177 | SitePark s.r.o. | 1,024 |
| AS206212 | KCG spol. s.r.o. | 1,024 |
| AS206270 | TrojanoviceNET 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 |
| AS210306 | ADV Computers s.r.o. | 1,024 |
| AS25238 | MONETA Money Bank, a.s. | 1,024 |
| AS29504 | Freenet Liberec, z.s. | 1,024 |
| AS12344 | CZECH IT CLUSTER, druzstvo | 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 |
| 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 |
| AS50415 | Ahosting 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 |
| AS57081 | Scarfbot Technologies, s.r.o. | 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 |
| AS62159 | Happy Technik s.r.o. | 1,024 |
| AS62176 | EZE A.S. | 1,024 |
| AS62405 | Brouzdal, s.r.o. | 1,024 |
| AS8646 | cloudinfrastack, s.r.o. | 1,024 |
| AS25553 | TRK Gluhov Ltd. | 768 |
| AS203208 | Czech Telecommunication Office | 768 |
| AS199220 | KrU Stredoceskeho kraje | 768 |
| AS206712 | FELDSAM s.r.o. | 768 |
| AS48098 | Valikov Yury Aleksandrovich | 768 |
| AS51278 | Ignum s.r.o. | 768 |
| AS59888 | PE Grinkiv Nadia Oliksandrivna | 768 |
| AS57472 | JR-NET, s.r.o. | 768 |
| AS196943 | VISSADO s.r.o. | 768 |
| AS21205 | ING WholeSale Bank | 768 |
| AS50037 | Server Ltd | 512 |
| AS200806 | BOHEMIA ENERGY entity s.r.o. | 512 |
| AS50321 | FOP "Reznichenko Sergey Mykolayovich" | 512 |
| AS203080 | SAP SE | 512 |
| AS204668 | ASTANA Technologies s.r.o. | 512 |
| AS206591 | Alza.cz a.s. | 512 |
| AS200070 | CZ.NIC, z.s.p.o. | 512 |
| AS50695 | VLTAVA LABE MEDIA a.s. | 512 |
| AS49121 | Infinity Telecom, s.r.o. | 512 |
| AS56988 | Mobile & Television Communications LLC | 512 |
| AS198953 | PricewaterhouseCoopers IT Services, s.r.o. | 512 |
| AS196916 | BusinessCom CZ spol. s r.o. | 512 |
| AS62083 | Fio banka, a.s. | 512 |
| AS197144 | PP SVS Stream | 512 |
| AS198621 | AVAST Software s.r.o. | 512 |
| AS198564 | Elcoma s.r.o. | 512 |
| AS49313 | Seva-Host Ltd | 512 |
| AS198143 | Ceska Posta s.p. | 512 |
| AS198103 | CCS Ceska spolecnost pro platebni karty s.r.o. | 512 |
| AS50899 | Roman Bykovskyj | 512 |
| AS49334 | Sergey Krashevich | 512 |
| AS197815 | AVAST Software s.r.o. | 512 |
| AS196789 | Norfes JSC | 512 |
| AS57919 | Wicom Ltd. | 512 |
| AS197698 | D-H-T SYSTEMS s.r.o. | 512 |
| AS196764 | RFI Minprirody Rossii FBGU | 512 |
| AS59681 | Satellit PE | 512 |
| AS197353 | NN Management Services, s.r.o. | 512 |
| AS205719 | Data & File Processing s.r.o. | 512 |
| AS206785 | Magistrat mesta Brna | 512 |
| AS49506 | GumsNet Ltd | 512 |
| AS202131 | ISP Alliance a.s. | 512 |
| AS51245 | Center of Information Technologies Ltd. | 512 |
| AS42174 | Sipcom Ltd. | 512 |
| AS49510 | TCV Ltd | 512 |
| AS49580 | Monet +, a.s. | 512 |
| AS196687 | obcanske sdruzeni TRENET | 512 |
| AS43130 | NKL LLC | 512 |
| AS30928 | ZAO Rubtsovsk | 512 |
| AS201934 | Ing. Jan Kolar | 512 |
| AS201931 | LBnet.cz s.r.o. | 512 |
| AS51448 | Uralskie Kabelnye Seti Ltd. | 512 |
| AS43866 | Altron a.s. | 512 |
| AS25321 | GROUP 4 Secure Solutions a.s. | 512 |
| AS49997 | Piton Ltd | 512 |
| AS50015 | Oleksandr Butenko | 512 |
| AS51727 | SKODA POWER s.r.o. | 512 |
| AS201608 | UnArtel s.r.o. | 512 |
| AS203645 | Jan Ryznar | 512 |
| AS60275 | PlzenecNET z. s. | 512 |
| AS48802 | OOO "Povolzhskiy Processingoviy Center" | 256 |
| AS61123 | Ekoniva-Tehnika Ltd. | 256 |
| AS48890 | SOLVO ltd | 256 |
| AS60724 | Sicuro Services s. r. o. | 256 |
| AS61166 | Russian Federal Service for Alcohol Market Regulation | 256 |
| AS50097 | IPVOIP s.r.o. | 256 |
| AS197566 | OK-NET s.r.o. | 256 |
| AS59552 | VHG Ltd | 256 |
| AS51884 | Tera Telecom Ltd | 256 |
| AS206329 | Infor (Barneveld) BV | 256 |
| AS59825 | Green Technology Ltd. | 256 |
| AS59826 | PE Oleynik Dmitro Oleksandrovich | 256 |
| AS196762 | ALKOM Security, a.s. | 256 |
| AS50248 | Vladivostok international airport JSC | 256 |
| AS9053 | VSHosting s.r.o. | 256 |
| AS28892 | Cesky urad zememericky a katastralni | 256 |
| AS41359 | Telefonzentrale s.r.o. | 256 |
| AS60218 | IT8 - Informacni technologie s.r.o. | 256 |
| AS201594 | Czech Telecommunication Office | 256 |
| AS41591 | Jaroslav Masaryk | 256 |
| AS50356 | Camelot Ltd | 256 |
| AS20701 | Marias sro | 256 |
| AS204113 | Security Information Service | 256 |
| AS44672 | OncaOnca Ltd. | 256 |
| AS61371 | FOP Martsinkevich Vyacheslav Anatolyevich | 256 |
| AS202084 | Penta Investments, s.r.o. | 256 |
| AS202073 | ALTRON Business Solutions, a.s. | 256 |
| AS48405 | Logica Czech republic s.r.o. | 256 |
| AS199806 | DCIT, a.s. | 256 |
| AS199665 | Hana Juzkova | 256 |
| AS39453 | KSRZIS | 256 |
| AS56508 | Regionecoproduct-Povolzhie Ltd. | 256 |
| AS61416 | STATE AUTONOMOUS ESTABLISHMENT OF THE ARKHANGELSK REGION "MANAGEMENT OF INFORMATION AND COMMUNICATION TECHNOLOGY OF ARKHANGELSK REGION" | 256 |
| AS199604 | OLOMOUCKY KRAJ | 256 |
| AS200646 | BH securities, a.s. | 256 |
| AS56717 | OG Soft s.r.o. | 256 |
| AS203299 | Ivo Hazmuk | 256 |
| AS56891 | Ceskomoravska zarucni a rozvojova banka, a.s. | 256 |
| AS56894 | Balezinskie lokalnyie seti, Ltd. | 256 |
| AS206683 | Moravskoslezske inovacni centrum Ostrava, a.s. | 256 |
| AS20884 | O2 Czech Republic, a.s. | 256 |
| AS61985 | Technolink Ltd. | 256 |
| AS199059 | Maurice Ward & Co., s.r.o. | 256 |
| AS15741 | Expiline Ltd. | 256 |
| AS25093 | Ceska sporitelna a.s. | 256 |
| AS201263 | Brno University of Technology | 256 |
| AS34293 | J.S.tel s.r.o. | 256 |
| AS62092 | LTV Europe Sicherheitstechnik GmbH i.G. | 256 |
| AS57194 | CHP Koshelnik Sergey Valentinovich | 256 |
| AS42847 | GlobexBank JSC | 256 |
| AS51463 | FAJNCOM s.r.o. | 256 |
| AS33877 | Druzstvo OFX | 256 |
| AS198494 | PREGIS, a.s | 256 |
| AS206468 | Treboradice.net z.s. | 256 |
| AS57376 | Vaclav Rosa | 256 |
| AS50250 | Stavropol Committee for state purchases | 256 |
| AS47924 | Grigory Aleksandrovich Shushpanov | 256 |
| AS50843 | ACUTUS ltd. | 256 |
| AS196849 | Marcela Byrtusova | 256 |
| AS49833 | Alexandr Y Potkin | 256 |
| AS3229 | Intek Ltd. | 256 |
| AS57572 | Lesta Ltd. | 256 |
| AS15380 | Air Navigation Services of the Czech Republic, state enterprise | 256 |
| AS57760 | Kinet s.r.o. | 256 |
| AS44104 | LCJ s.r.o. | 256 |
| AS205724 | T.S.BOHEMIA a.s. | 256 |
| AS197875 | UNIPETROL RPA, s.r.o. | 256 |
| AS60208 | J&T BANKA, a.s. | 0 |
| AS207167 | amccomp s.r.o. | 0 |
| AS47122 | inet4 s.r.o. | 0 |
| AS207048 | SPANET s.r.o. | 0 |
| AS47200 | NIX.CZ z.s.p.o. | 0 |
| AS206832 | Yes Networks Unlimited Ltd | 0 |
| AS206613 | Tipsport.net a.s. | 0 |
| AS206463 | Pavel Zizka | 0 |
| AS206384 | Artemis Hosting s.r.o. | 0 |
| AS206321 | STARTECH spol. s r.o. | 0 |
| AS206050 | FreeNetwork s.r.o. | 0 |
| AS48268 | Inter Fiber s.r.o. | 0 |
| AS205982 | Mraknet s.r.o. | 0 |
| AS205885 | Navmatix s.r.o. | 0 |
| AS205857 | Diverse Path Solutions Inc | 0 |
| AS205549 | FixPro,z.s. | 0 |
| AS205123 | Adept Media Group s.r.o. | 0 |
| AS197246 | Glow Internet s.r.o. | 0 |
| AS205122 | RA Pioneers s.r.o. | 0 |
| AS205121 | HOT Communication s.r.o. | 0 |
| AS205090 | NTX Technologies s.r.o. | 0 |
| AS48959 | OOO "Paladin Invent" | 0 |
| AS204907 | Air Bank a.s. | 0 |
| AS204746 | Komplet NET s.r.o. | 0 |
| AS49018 | Alphatech Resource Holdings s.r.o. | 0 |
| AS204666 | Jiri Tlapak | 0 |
| AS204505 | IT & WP HOST s.r.o. | 0 |
| AS204405 | Durnet.cz sro | 0 |
| AS204375 | SychrovNET s.r.o | 0 |
| AS49418 | Domashnie Seti Ltd | 0 |
| AS49459 | Sigma plus Ltd. | 0 |
| AS60647 | Prazska plynarenska,a.s. | 0 |
| AS204247 | Jiri Dolezal | 0 |
| AS204216 | netsearch s.r.o. | 0 |
| AS204214 | S.I.C. spol. s r.o. | 0 |
| AS49972 | IT ADMIRABLE SERVICE LTD | 0 |
| AS204051 | FLEA s.r.o. | 0 |
| AS203743 | ISP Alliance a.s. | 0 |
| AS50107 | tcp cloud a.s. | 0 |
| AS203488 | DaLuNET s.r.o. | 0 |
| AS203342 | Ladislav Rudolf | 0 |
| AS60727 | K2 atmitec s.r.o. | 0 |
| AS202911 | Diovetech s.r.o. | 0 |
| AS50491 | Planet A, a.s. | 0 |
| AS197059 | HOTNET s.r.o. | 0 |
| AS202888 | KETNET s.r.o. | 0 |
| AS50714 | Closed Joint Stock Company TransTeleCom | 0 |
| AS15731 | Reliable Communications s.r.o. | 0 |
| AS202733 | OK COMP s.r.o. | 0 |
| AS202732 | Ing Petr Sramek | 0 |
| AS202522 | Suntel Net s.r.o. | 0 |
| AS51105 | CIS TELECOM UK LTD | 0 |
| AS202297 | Filip Hruska | 0 |
| AS51154 | Nej.cz s.r.o. | 0 |
| AS51331 | SychrovNET s.r.o | 0 |
| AS202066 | Nas NET s.r.o. | 0 |
| AS15512 | UPC Ceska Republica, s.r.o. | 0 |
| AS61195 | Peering.cz s.r.o. | 0 |
| AS201987 | HEXAGEEK s.r.o. | 0 |
| AS51403 | FOP Ljashenko Igor Ivanovich | 0 |
| AS51424 | Jiri Sperl | 0 |
| AS201922 | amccomp s.r.o. | 0 |
| AS51449 | Kabelova televize Usti nad Orlici, spol. s r. o. | 0 |
| AS51521 | KmNet s.r.o. | 0 |
| AS201761 | ISP Alliance a.s. | 0 |
| AS201732 | Maxicom Technologies s.r.o. | 0 |
| AS201671 | Emerald Real Group s.r.o. | 0 |
| AS197026 | Galevi s.r.o. | 0 |
| AS51801 | Nano.cz s.r.o. | 0 |
| AS201464 | ISP Alliance a.s. | 0 |
| AS51902 | Web4Soft Internet s.r.o. | 0 |
| AS51961 | Doyter Group Limited | 0 |
| AS52027 | Leos Zalio | 0 |
| AS201228 | Czech metrology institute | 0 |
| AS201187 | Whois protection s.r.o. | 0 |
| AS201007 | Tesco Stores CR a.s. | 0 |
| AS200809 | ASJA CZ s.r.o. | 0 |
| AS200733 | ALLDIM s.r.o. | 0 |
| AS200673 | AMARTI s.r.o. | 0 |
| AS5407 | PODA a.s. | 0 |
| AS200633 | CHISTOV PRAGA s.r.o. | 0 |
| AS200394 | ER Business s.r.o. | 0 |
| AS200393 | ELAN plus, s.r.o. | 0 |
| AS200335 | EVA GROUP s.r.o. | 0 |
| AS56427 | Michal Hradil | 0 |
| AS199630 | Municipal Office of the City Prague | 0 |
| AS15494 | BT Limited, organizacni slozka | 0 |
| AS198882 | Karlovarsky Kraj | 0 |
| AS198510 | Krajska zdravotni, a.s. | 0 |
| AS198250 | ELDATA prazska s.r.o. | 0 |
| AS57523 | AMEuroTel s.r.o. | 0 |
| AS198027 | VITKOVICE IT SOLUTIONS a.s. | 0 |
| AS8747 | Dial Telecom, a.s. | 0 |
| AS57780 | VISSADO s.r.o. | 0 |
| AS201267 | Kapchan company spol. s r.o. | 0 |
| AS15485 | T-Mobile Czech Republic a.s. | 0 |
| AS41267 | GREPA Networks s.r.o. | 0 |
| AS41456 | KP NETWORK, spol. s r.o. | 0 |
| AS41088 | N-SYS s.r.o. | 0 |
| AS41711 | FreeTel, s.r.o. | 0 |
| AS59969 | FOP Kameristov Andrey Evgenovuch | 0 |
| AS41824 | O2 Czech Republic, a.s. | 0 |
| AS39408 | AVI druzstvo | 0 |
| AS34371 | Metropolitni s.r.o. | 0 |
| AS197299 | CENTEL s.r.o. | 0 |
| AS34302 | Sprintel s.r.o. | 0 |
| AS34070 | DATin internet s.r.o. | 0 |
| AS3234 | Parliament of the Czech Republic | 0 |
| AS43043 | OPSYLON LLC. | 0 |
| AS29525 | Virtualmaster, s.r.o. | 0 |
| AS29274 | Obcanske sdruzeni GAVANET | 0 |
| AS29113 | UPC Ceska Republica, s.r.o. | 0 |
| AS28904 | PODA a.s. | 0 |
| AS28755 | ha-vel internet s.r.o. | 0 |
| AS2819 | T-Mobile Czech Republic a.s. | 0 |
| AS2605 | CESNET z.s.p.o. | 0 |
| AS25036 | O2 Czech Republic, a.s. | 0 |
| AS24828 | UPC Ceska Republica, s.r.o. | 0 |
| AS21435 | Vodafone Czech Republic a.s. | 0 |
| AS21142 | T-Mobile Czech Republic a.s. | 0 |
| AS210325 | Air Networks s.r.o. | 0 |
| AS6706 | Dial Telecom, a.s. | 0 |
| AS60143 | Brno University of Technology | 0 |
| AS207239 | NetX R&D z.s. | 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.