Czech Republic

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. 1,606,912
AS5588 T-Mobile Czech Republic a.s. 1,367,815
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
AS5578 BENESTRA, s.r.o. 223,744
AS30764 PODA a.s. 221,184
AS16019 Vodafone Czech Republic a.s. 174,592
AS28725 Ceska Telekomunikacni Infrastruktura a.s 144,384
AS6706 Dial Telecom, a.s. 139,264
AS25512 CD-Telematika a.s. 119,296
AS16246 RIO Media a.s. 115,712
AS15425 COMA s.r.o. 111,616
AS25248 RADIOKOMUNIKACE a.s. 107,776
AS39906 CoProSys a.s. 96,000
AS9080 Ipex Ltd. 90,112
AS2571 DHL Information Services (Europe) s.r.o 86,016
AS15685 Casablanca INT 83,456
AS12767 T-Mobile Czech Republic a.s. 69,632
AS31246 SMART Comp. a.s. 67,584
AS197451 Brno University of Technology 67,072
AS50245 Serverel Corp 62,976
AS24971 Master Internet s.r.o. 58,880
AS28851 Fortech s.r.o. 58,368
AS12570 itself s.r.o. 56,832
AS15935 ha-vel internet s.r.o. 51,200
AS47965 Signalhorn Trusted Networks GmbH 44,800
AS6740 TS-Data s.r.o. 41,984
AS24806 INTERNET CZ, a.s. 37,376
AS25424 InterneXt 2000, s.r.o. 33,792
AS42908 Nordic Telecom s.r.o 32,768
AS39392 SuperNetwork s.r.o. 30,208
AS34093 NWT a.s 28,672
AS49931 SITKOM spol. s r.o. 25,600
AS43708 METRONET s.r.o. 24,064
AS47232 ISP Alliance a.s. 20,739
AS29134 Ignum s.r.o. 19,968
AS39791 Telco Pro Services, a. s. 19,456
AS34040 TTNET s.r.o. 19,456
AS61296 TechCom s.r.o. 17,408
AS43541 VSHosting s.r.o. 17,408
AS8251 FreeTel, s.r.o. 17,408
AS41046 Nej.cz s.r.o. 16,384
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
AS28972 M-SOFT, spol. s r.o. 15,360
AS20723 AVONET, s.r.o. 15,360
AS51351 LTD Objedinennaja Setevaja Kompanija 14,848
AS44489 STARNET, s.r.o. 14,848
AS42306 Edera Group a.s. 14,336
AS49985 IP4ISP z.s.p.o 13,312
AS21430 WIA spol. s.r.o. 13,312
AS47951 LLC Telecontur 12,288
AS34315 Dial Telecom, a.s. 12,288
AS15614 Dragon Internet a.s. 12,288
AS48474 FOFRNET spol. s r.o. 12,288
AS35592 Coolhousing s.r.o. 12,288
AS197013 Sprintel s.r.o. 11,776
AS198171 HOSTING90 systems s.r.o. 11,776
AS24641 FASTER CZ spol. s r.o. 11,776
AS207187 TKR Jasek, s.r.o. 11,264
AS50698 TETA s.r.o. 11,264
AS197019 WEDOS Internet, a.s. 11,264
AS198605 AVAST Software s.r.o. 11,264
AS196845 OMEGA tech s.r.o. 11,264
AS62160 Yes Networks Unlimited Ltd 10,752
AS34971 Prometeus di Daniela Agro 10,496
AS49106 Opticom Group CJSC 10,240
AS43542 OptoNet Communication, spol. s.r.o. 10,240
AS47834 SOFTEX NCP, s.r.o. 10,240
AS35361 GREPA Networks s.r.o. 10,240
AS34080 MIRAMO spol. s.r.o. 10,240
AS50241 UnitTelecom Ltd 10,240
AS35214 OXID Networks s.r.o. 10,240
AS43070 JAW.cz s.r.o. 9,728
AS49889 Crystal Telecom Ltd 8,448
AS198002 FDLnet.CZ, s.r.o. 8,192
AS51731 GTT a.s. 8,192
AS43709 SilesNet s.r.o. 8,192
AS57069 Dempsey and Clark s.r.o. 8,192
AS51420 OS Cyrilek.net 8,192
AS59479 GEMNET s.r.o. 8,192
AS35236 2 connect a.s. 8,192
AS43507 RETE internet, s.r.o. 8,192
AS49101 KABELOVA TELEVIZE CZ s.r.o. 8,192
AS41088 N-SYS s.r.o. 8,192
AS33943 Cesky Bezdrat, s.r.o. 8,192
AS47493 WMS s.r.o. 8,192
AS197798 Net-Connect s.r.o. 8,192
AS8913 Mopos Communications A.S. 8,192
AS57800 Cadr-TV LLE TVRC 8,192
AS57564 BAJA Group s.r.o. 8,192
AS202237 Wic-Net, s.r.o. 8,192
AS56566 SATT a.s. 8,192
AS48574 Planet A, a.s. 8,192
AS25234 ACTIVE 24 8,192
AS51891 GSP ltd. 8,192
AS35613 NetDataComm, s.r.o. 8,192
AS8518 RFE/RL, Inc., organizacni slozka 7,168
AS44065 NETAIR s.r.o. 7,168
AS33883 TRIOPTIMUM s.r.o. 7,168
AS198813 SychrovNET s.r.o 7,168
AS39235 Dat, s.r.o. 7,168
AS35046 OMEGA plus Chrudim s.r.o. 7,168
AS29583 Spinoco Czech Republic, a.s. 6,400
AS25192 CZ.NIC, z.s.p.o. 6,144
AS48926 Pe3ny Net s.r.o. 6,144
AS28905 BECO Link,spol.s.r.o. 6,144
AS42000 Kaora s.r.o. 6,144
AS62178 MASTER IT Technologies, a.s. 6,144
AS47114 SychrovNET s.r.o 6,144
AS51428 IRONNET Ltd. 6,144
AS39761 ABAK, Ltd. 6,144
AS34222 ZONER software, a.s 6,144
AS43413 NEW TELEKOM, spol. s r.o. 6,144
AS200918 Pavel Zizka 5,632
AS42189 Druzstvo EUROSIGNAL 5,120
AS30877 Ariadna-Link CJSC 5,120
AS39790 Web4U s.r.o. 5,120
AS198403 Matrigo s.r.o. 5,120
AS202895 TFnet s.r.o. 5,120
AS202618 Rychly drat, s.r.o. 5,120
AS49025 PRO-ZETA a.s. 5,120
AS196843 KHnet.info, z.s. 5,120
AS197296 Maxtel s.r.o. 5,120
AS48494 BUKO LTD 5,120
AS201476 ISP Alliance a.s. 5,120
AS198668 Tlapnet s.r.o. 5,120
AS31349 a-net Liberec s.r.o. 5,120
AS39817 OvaNet, a.s. 5,120
AS41670 hkfree.org z.s. 5,120
AS50825 UVT Internet s.r.o. 5,120
AS197307 Core4Net, s.r.o. 5,120
AS52092 Alf servis, s.r.o. 4,608
AS50025 Net Television Ltd 4,352
AS196782 Marek Smutny 4,096
AS56450 Alberon Letohrad s.r.o 4,096
AS21045 QNET CZ s.r.o. 4,096
AS48417 ITS akciova spolecnost 4,096
AS198420 CMS Consulting s.r.o. 4,096
AS201730 DataSpring s.r.o. 4,096
AS197029 LAM plus s.r.o. 4,096
AS57279 Sauron CZ s.r.o. 4,096
AS207242 NOEL, s.r.o. 4,096
AS49465 Teleradiocompany RubinTelecom Ltd. 4,096
AS198991 CET 21 spol. s.r.o. 4,096
AS56456 C2NET s.r.o. 4,096
AS57287 OtavaNet s.r.o. 4,096
AS57188 ORKA systems, s.r.o. 4,096
AS48780 OLTELECOM JSC 4,096
AS49767 INTERNET Pb, spol. s r.o. 4,096
AS197550 Internet4you.cz, spol. s r.o. 4,096
AS197846 Radovan Ochvat trading as SAO Computers 4,096
AS57294 Internet Expert s.r.o. 4,096
AS56442 Lubos Hutar 4,096
AS57496 AIRESS CESKO s.r.o. 4,096
AS51427 HUMLNET s.r.o. 4,096
AS57399 MONEX s.r.o. 4,096
AS49890 ABLE agency, s.r.o. 4,096
AS47868 SUPRO, spol. s r.o. 4,096
AS43203 TELCONET s.r.o. 4,096
AS48661 AIRWAYNET, a.s. 4,096
AS44070 MCnet, s.r.o. 4,096
AS39904 MERIT GROUP a.s 4,096
AS51800 FIBER Network s.r.o. 4,096
AS51968 NEOS v.o.s. 4,096
AS47269 Core4Net, s.r.o. 4,096
AS41453 SITEL spol. s r.o. 4,096
AS42477 Cerberos s.r.o. 4,096
AS56360 TRINITY CZECH REPUBLIC, s.r.o. 4,096
AS52115 JaroNet s.r.o. 4,096
AS29086 GiTy, a.s. 4,096
AS198500 Masarykova univerzita - Ustav vypocetni techniky 4,096
AS207198 Kabelova televize Koprivnice, s.r.o. 4,096
AS60592 Gransy s.r.o. 3,840
AS198167 Apptocloud.com s.r.o. 3,072
AS49320 Golitsyno Telecom Ltd 3,072
AS44712 eHAMnet, s.r.o. 3,072
AS47317 Web4ce, s.r.o. 3,072
AS197046 FIXnet s.r.o. 3,072
AS44002 Sys-DataCom s.r.o. 3,072
AS34047 Bystrov Dmitriy Sergeevich 3,072
AS57077 AB-NET s.r.o. 3,072
AS204064 TaNET West s.r.o. 3,072
AS197879 HelaPC s.r.o. 3,072
AS43614 Economia a.s. 3,072
AS56973 VITKOVICE IT SOLUTIONS a.s. 3,072
AS43037 Seznam.cz, a.s. 3,072
AS48298 MINISTERSTVO VNITRA CR 3,072
AS48364 Radim Pytela - AC Vyskov 3,072
AS200059 AIRWEB, spol. s r.o. 3,072
AS47727 Warnet.cz s.r.o. 3,072
AS34955 Martin Vicenik 2,816
AS198977 UnArtel s.r.o. 2,560
AS29148 SURANY.NET s.r.o. 2,560
AS50398 Fast Communication, s.r.o. 2,560
AS52058 Michal Najman 2,560
AS207239 VP INET z.s. 2,560
AS47909 Baikal-Telecom Ltd. 2,560
AS34911 ELDATA prazska s.r.o. 2,304
AS48960 AQUA,a.s. 2,304
AS50301 BrazdimNET s.r.o. 2,304
AS6881 NIX.CZ z.s.p.o. 2,304
AS34049 H-data, spol. s r.o. 2,304
AS44430 MaRcom-Eko s.r.o. 2,304
AS197206 BusinessCom CZ spol. s r.o. 2,304
AS201811 Austole s.r.o. 2,304
AS51210 KRAXNET s.r.o. 2,048
AS60931 LAN-Service Ltd. 2,048
AS60529 Miroslav Klement 2,048
AS51655 Ilim Telecom Ltd. 2,048
AS62011 UNHfree.net z.s. 2,048
AS204165 Cznet s.r.o. 2,048
AS48451 Prazska energetika, a.s. 2,048
AS39896 Angel Systems s.r.o. 2,048
AS52176 TTC TELEKOMUNIKACE s.r.o. 2,048
AS201648 Plzensky kraj 2,048
AS57823 INERCOM, s.r.o. 2,048
AS198161 Sokolovska uhelna, pravni nastupce, a.s. 2,048
AS47767 Regionalni centrum Olomouc s.r.o. 2,048
AS206548 Tlap s.r.o. 2,048
AS50163 Altnet s.r.o. 2,048
AS201654 Web4Soft Internet s.r.o. 2,048
AS51524 Ales Tesacek 2,048
AS44424 Internet Mall, a.s. 2,048
AS52084 ATL Obchodni s.r.o. 2,048
AS198282 SAT - AN CableNet SE 2,048
AS47913 Cerberos s.r.o. 2,048
AS203165 Statni pokladna Centrum sdilenych sluzeb, s.p. 2,048
AS56624 Petr Kadanik 2,048
AS50975 AVX Czech republic s.r.o 2,048
AS206818 CLABOR TECH SOLUTION LLC 2,048
AS51525 Informacionnuye technologiyi Ltd 2,048
AS44500 Vlasimnet s.r.o. 2,048
AS196873 Netlancers s.r.o. 2,048
AS196861 DIGITAL ACTION s.r.o. 2,048
AS47131 PH, spol. s r. o. 2,048
AS57798 IT-Net ltd. 2,048
AS43757 ICZ a.s. 2,048
AS41030 Jaroslav Novotny 2,048
AS49085 Svyaz-Service-Internet Ltd 2,048
AS197277 State Institute for Drug Control 2,048
AS47949 gsnet.cz s.r.o. 2,048
AS21241 Global Payments Europe, s.r.o. 2,048
AS200114 PRO-COMUNICATION s.r.o 2,048
AS198031 Trustica s.r.o. 2,048
AS198248 Richard Filip 2,048
AS57288 StaMPi, spol. s r.o. 2,048
AS40964 ASTELNET s.r.o. 2,048
AS52130 LiveSport s.r.o. 2,048
AS197565 Golden activity s.r.o. 2,048
AS199101 MITRANET.CZ, s.r.o. 2,048
AS197442 ZENIT-servis s.r.o. 2,048
AS50442 Multi-Net plus Ltd 2,048
AS197542 Jan Saulich 2,048
AS51400 SPOJE.NET s.r.o. 2,048
AS52154 mjanik.net s.r.o. 2,048
AS31461 Moravia IT s.r.o. 2,048
AS61425 Mlada fronta a.s. 2,048
AS38952 MAFRA, a.s. 2,048
AS52029 Ing. Petr Lukes 2,048
AS196815 LAN servis s.r.o. 2,048
AS197393 Ladislav Rudolf 2,048
AS6679 Skadi Telecom JSC 2,048
AS57566 Wircom s.r.o. 2,048
AS206420 KABEL servis Praha spol. s r.o. 2,048
AS20609 KAZA.cz s.r.o. 2,048
AS197083 K2 atmitec s.r.o. 2,048
AS196684 VITALATIV, s.r.o. 2,048
AS50348 KVADOS, a.s. 2,048
AS50971 JHComp s.r.o. 2,048
AS62099 JM-Net, z.s. 2,048
AS43895 Zentiva k.s. 2,048
AS197218 PP Dmutrashko Evgeny Vitalievich 2,048
AS29504 Freenet Liberec, z.s. 1,536
AS58239 hanspaul-city.net s.r.o. 1,536
AS196653 BEST-NET s.r.o. 1,536
AS199803 ComSource s.r.o. 1,536
AS42995 Geotelecom Ltd. 1,536
AS197694 Municipal Office of the City Prague 1,536
AS48091 Kraj Vysocina 1,536
AS62403 Disk Group Ltd. 1,536
AS47110 Cloud4com, a.s. 1,280
AS200678 ITexpres s.r.o. 1,280
AS197376 Autocont CZ a.s. 1,280
AS201163 Komercni banka, a.s. 1,280
AS197920 SKODA ICT s.r.o. 1,280
AS62159 Happy Technik s.r.o. 1,280
AS42078 XOTEL SIA 1,280
AS198725 Ultimum Technologies s.r.o. 1,280
AS49359 Dmitry Kozhushko 1,280
AS59970 AmigoNet s.r.o. 1,024
AS43129 Smileinvest LTD 1,024
AS59925 Seonet Multimedia s.r.o. 1,024
AS31559 Zdenek Soucek 1,024
AS199600 Virtis s.r.o. 1,024
AS200717 STEN.cz s.r.o. 1,024
AS207153 Stream-iT, s.r.o. 1,024
AS206566 savana.cz s.r.o 1,024
AS206177 SitePark s.r.o. 1,024
AS202877 VEJNET.CZ s.r.o. 1,024
AS201813 Haug-land s.r.o. 1,024
AS57081 Scarfbot Technologies, s.r.o. 1,024
AS200828 TERMS a.s. 1,024
AS58220 Tomas Budai 1,024
AS50107 tcp cloud a.s. 1,024
AS198212 TeleNet Sayansk LLC 1,024
AS197786 Telefonnyie seti Ltd. 1,024
AS60086 Valvera s.r.o. 1,024
AS199657 TNtech, s.r.o. 1,024
AS206569 TEORA s.r.o. 1,024
AS206270 TrojanoviceNET s.r.o. 1,024
AS196978 Milos Tuma 1,024
AS57904 Vevynet s.r.o. 1,024
AS62102 Informacni sluzby energetika a.s. 1,024
AS201625 United Networks SE 1,024
AS205653 Jumpshot s.r.o. 1,024
AS205619 Jiri Chalabala 1,024
AS205857 Diverse Path Solutions Inc 1,024
AS200848 Miroslav Holienka 1,024
AS61981 Mach3net s.r.o. 1,024
AS201548 Milan Zelenka 1,024
AS59871 Heureka Shopping s.r.o 1,024
AS201179 Vaudevile s.r.o. 1,024
AS56344 Lukas Vacek 1,024
AS200600 Seznam.cz datova centra, s.r.o. 1,024
AS205982 Mraknet s.r.o. 1,024
AS44770 Savvy s.r.o. 1,024
AS61169 SporkNeT s.r.o. 1,024
AS205968 GeneralNet s.r.o. 1,024
AS202556 Spolek Krivonet 1,024
AS198101 Kooperativa pojistovna, a.s., Vienna Insurance Group 1,024
AS201533 United Networks SE 1,024
AS201559 United Networks SE 1,024
AS61110 Sprava informacnich technologii mesta Plzne, p.o. 1,024
AS49839 MKS Ltd. 1,024
AS30738 NetArt Group s.r.o. 1,024
AS51025 ServerPark DC2 s.r.o. 1,024
AS56562 Telecom Plus Company Ltd. 1,024
AS202719 Pranet s.r.o. 1,024
AS203365 Optet network, s. r. o. 1,024
AS199405 Oslavany.NET 1,024
AS202979 NGA Services, spol. s r.o. 1,024
AS198346 NETFORMS s.r.o. 1,024
AS41779 LajsiNET s.r.o. 1,024
AS199711 Narodni bezpecnostni urad 1,024
AS199350 Ministerstvo financi 1,024
AS197575 CHP Mediana-Servis 1,024
AS206334 AVG Technologies CZ, s.r.o. 1,024
AS35420 Perspektiva Ltd. 1,024
AS205863 Stepan Pokorny 1,024
AS49573 JimmyNet s.r.o. 1,024
AS197895 ONYX engineering, spol. s r.o. 1,024
AS51211 PE Rulev Dmitriy Alexandrovich 1,024
AS51247 ADVICE FORGE LTD 1,024
AS57779 ICTIS.CZ s.r.o. 1,024
AS202551 INERA.CZ s.r.o. 1,024
AS198814 ALPHA StylSoft, s.r.o. 1,024
AS35096 Alef Nula a.s. 1,024
AS8646 cloudinfrastack, s.r.o. 1,024
AS206344 AUKRO s.r.o. 1,024
AS62405 Brouzdal, s.r.o. 1,024
AS206951 BMB-Green s.r.o. 1,024
AS199490 INTERCONNECT s.r.o. 1,024
AS48602 Connect plus s.r.o. 1,024
AS202774 COMTEX s.r.o. 1,024
AS206429 CORSAT s.r.o 1,024
AS200474 CRFreeNet, z.s. 1,024
AS48085 DNIPRO-Techcenter Ltd 1,024
AS39307 Digital Communications Ltd. 1,024
AS203018 PAMICO CZECH, s.r.o. 1,024
AS198284 Mesto Velka Bystrice 1,024
AS12344 CZECH IT CLUSTER, druzstvo 1,024
AS51371 Ashtarak-Elit Ltd. 1,024
AS202605 EMPECOM, s.r.o. 1,024
AS203411 FORTUNA GAME a.s. 1,024
AS201926 Futurenet ISP s.r.o. 1,024
AS42269 Foton Ltd 1,024
AS49013 Fusion Media, s.r.o. 1,024
AS25238 MONETA Money Bank, a.s. 1,024
AS198657 GOLDWARE CZ s.r.o. 1,024
AS202682 G2 server CZ s.r.o. 1,024
AS60266 Home Credit International a.s. 1,024
AS49142 HBO Europe s.r.o. 1,024
AS203550 i2net cz s.r.o. 1,024
AS206784 Internet Praha Josefov s.r.o. 1,024
AS57007 NITEX ISP s.r.o. 1,024
AS200155 Technologicke centrum Pisek s.r.o. 1,024
AS50784 Intraweb servis s.r.o. 1,024
AS206142 Internet TV, Inc. 1,024
AS51744 Non-profit organization Jablonka.cz 1,024
AS51382 Ing. Leos Janouch 1,024
AS13199 Jaroslav Doubrava 1,024
AS199298 Jan Stetina 1,024
AS197444 Vlastimil Drazsky 1,024
AS59984 KLFREE NETWORKS, s.r.o. 1,024
AS206212 KCG spol. s.r.o. 1,024
AS202872 KME, spol. s r. o. 1,024
AS57191 LLC IT Business 1,024
AS200874 Liberecky kraj 1,024
AS205719 Data & File Processing s.r.o. 1,024
AS203450 LOGICPRIM s.r.o. 1,024
AS56936 Mbit City Ltd. 1,024
AS56827 mirnet s.r.o. 1,024
AS57158 MELVI s.r.o. 1,024
AS203376 Mailkit s.r.o. 1,024
AS202874 Zlinsky Kraj 1,024
AS200449 Qrator Labs CZ s.r.o. 1,024
AS50980 net3, s.r.o. 1,024
AS62176 EZE A.S. 1,024
AS57560 XLNET s.r.o. 1,024
AS50497 Orlicom Ltd 1,024
AS59664 Opton s.r.o. 1,024
AS47749 ORIFLAME SOFTWARE s.r.o. 1,024
AS201457 Pojistovna Ceske sporitelny, a.s., Vienna Insurance Group 1,024
AS44984 Fortion Networks, s.r.o. 1,024
AS207015 Position s.r.o. 1,024
AS200635 pragmatel s.r.o. 1,024
AS20643 PilsFree servis, s.r.o. 1,024
AS203385 Pernix systems s.r.o. 1,024
AS12984 PilsFree, z. s. 1,024
AS203328 PVfree.net, z. s. 1,024
AS20708 SKODA AUTO a.s. 1,024
AS200844 STUDENT AGENCY k.s. 1,024
AS201727 Spolek bubakov.net 1,024
AS199722 Sberbank CZ, a.s. 1,024
AS57707 Greendata s.r.o. 768
AS196943 VISSADO s.r.o. 768
AS48098 Valikov Yury Aleksandrovich 768
AS21205 ING WholeSale Bank 768
AS199220 KrU Stredoceskeho kraje 768
AS51134 INTACTO GAMES a.s. 768
AS203208 Czech Telecommunication Office 768
AS57472 JR-NET, s.r.o. 768
AS202921 CC INTERNET s.r.o. 768
AS206712 FELDSAM s.r.o. 768
AS56988 Mobile & Television Communications LLC 512
AS49510 TCV Ltd 512
AS25321 GROUP 4 Secure Solutions a.s. 512
AS201608 UnArtel s.r.o. 512
AS51245 Center of Information Technologies Ltd. 512
AS51234 Telecompany Fialka Ltd. 512
AS198621 AVAST Software s.r.o. 512
AS50321 FOP Reznichenko Sergey Mykolayovich 512
AS198953 PricewaterhouseCoopers IT Services, s.r.o. 512
AS49997 Piton Ltd 512
AS60275 PlzenecNET z. s. 512
AS196764 RFI Minprirody Rossii FBGU 512
AS25553 TRK Gluhov Ltd. 512
AS197144 PP SVS Stream 512
AS49313 Seva-Host Ltd 512
AS51727 SKODA POWER s.r.o. 512
AS43866 Altron a.s. 512
AS50037 Server Ltd 512
AS30928 ZAO Rubtsovsk 512
AS51448 Uralskie Kabelnye Seti Ltd. 512
AS42174 Sipcom Ltd. 512
AS49580 Monet +, a.s. 512
AS201934 Ing. Jan Kolar 512
AS197698 D-H-T SYSTEMS s.r.o. 512
AS49334 Sergey Krashevich 512
AS203645 Jan Ryznar 512
AS197353 ING Management Services, s.r.o. 512
AS203080 SAP SE 512
AS196789 Norfes JSC 512
AS201228 Czech metrology institute 512
AS62083 Fio banka, a.s. 512
AS50899 Roman Bykovskyj 512
AS198564 Elcoma s.r.o. 512
AS202131 ISP Alliance a.s. 512
AS197815 AVAST Software s.r.o. 512
AS50015 Oleksandr Butenko 512
AS198103 CCS Ceska spolecnost pro platebni karty s.r.o. 512
AS206785 Magistrat mesta Brna 512
AS57919 Wicom Ltd. 512
AS198143 Ceska Posta s.p. 512
AS200806 BOHEMIA ENERGY entity s.r.o. 512
AS49506 GumsNet Ltd 512
AS50695 VLTAVA LABE MEDIA a.s. 512
AS59681 Satellit PE 512
AS196687 obcanske sdruzeni TRENET 512
AS50843 ACUTUS ltd. 256
AS205724 T.S.BOHEMIA a.s. 256
AS56894 Balezinskie lokalnyie seti, Ltd. 256
AS33877 Druzstvo OFX 256
AS51463 FAJNCOM s.r.o. 256
AS61371 FOP Martsinkevich Vyacheslav Anatolyevich 256
AS42847 GlobexBank JSC 256
AS47924 Grigory Aleksandrovich Shushpanov 256
AS48405 Logica Czech republic s.r.o. 256
AS62092 LTV Europe Sicherheitstechnik GmbH i.G. 256
AS44104 LCJ s.r.o. 256
AS197875 Unipetrol Services s.r.o. 256
AS206329 Infor (Barneveld) BV 256
AS57194 CHP Koshelnik Sergey Valentinovich 256
AS199604 OLOMOUCKY KRAJ 256
AS51884 Tera Telecom Ltd 256
AS20884 O2 Czech Republic, a.s. 256
AS201263 Brno University of Technology 256
AS202073 ALTRON Business Solutions, a.s. 256
AS200646 BH securities, a.s. 256
AS56508 Regionecoproduct-Povolzhie Ltd. 256
AS8747 Dial Telecom, a.s. 256
AS44672 OncaOnca Ltd. 256
AS201594 Czech Telecommunication Office 256
AS51278 Ignum s.r.o. 256
AS48959 OOO Paladin Invent 256
AS196762 ALKOM Security, a.s. 256
AS15380 Air Navigation Services of the Czech Republic, state enterprise 256
AS196849 Marcela Byrtusova 256
AS56891 Ceskomoravska zarucni a rozvojova banka, a.s. 256
AS28892 Cesky urad zememericky a katastralni 256
AS50356 Camelot Ltd 256
AS60218 IT8 - Informacni technologie s.r.o. 256
AS204113 Security Information Service 256
AS200070 CZ.NIC, z.s.p.o. 256
AS199806 DCIT, a.s. 256
AS57508 Dempsey Clark ehf 256
AS61123 Ekoniva-Tehnika Ltd. 256
AS15741 Expiline Ltd. 256
AS59825 Green Technology Ltd. 256
AS203299 Ivo Hazmuk 256
AS50097 IPVOIP s.r.o. 256
AS49121 Infinity Telecom, s.r.o. 256
AS34293 J.S.tel s.r.o. 256
AS39453 KSRZIS 256
AS57760 Kinet s.r.o. 256
AS57572 Lesta Ltd. 256
AS20701 Marias sro 256
AS9053 CE Online System s.r.o. 256
AS56717 OG Soft s.r.o. 256
AS197566 OK-NET s.r.o. 256
AS59888 PE Grinkiv Nadia Oliksandrivna 256
AS202084 Penta Investments, s.r.o. 256
AS61192 PE Lubos Sziller 256
AS59826 PE Oleynik Dmitro Oleksandrovich 256
AS48802 OOO Povolzhskiy Processingoviy Center 256
AS61166 Russian Federal Service for Alcohol Market Regulation 256
AS198494 PREGIS, a.s 256
AS61416 STATE AUTONOMOUS ESTABLISHMENT OF THE ARKHANGELSK REGION MANAGEMENT OF INFORMATION AND COMMUNICATION TECHNOLOGY OF ARKHANGELSK REGION 256
AS48890 SOLVO ltd 256
AS60724 Sicuro Services s. r. o. 256
AS206468 Treboradice.net z.s. 256
AS50248 Vladivostok international airport JSC 256
AS59552 VHG Ltd 256
AS57376 Vaclav Rosa 256
AS41591 Jaroslav Masaryk 256
AS25093 Ceska sporitelna a.s. 256
AS199665 Hana Juzkova 256
AS201922 amccomp s.r.o. 256
AS199059 Maurice Ward & Co., s.r.o. 256
AS50250 Stavropol Committee for state purchases 256
AS61985 Technolink Ltd. 256
AS51424 Jiri Sperl 0
AS202732 Ing Petr Sramek 0
AS41711 FreeTel, s.r.o. 0
AS205535 Windyghoul s.r.o. 0
AS206463 Pavel Zizka 0
AS28904 PODA a.s. 0
AS202657 Pavel Jochim 0
AS201464 OK-NET s.r.o. 0
AS43043 OPSYLON LLC. 0
AS202733 OK COMP s.r.o. 0
AS202066 Nas NET s.r.o. 0
AS52027 Leos Zalio 0
AS206438 MX-NET Telekomunikace s.r.o. 0
AS34371 Metropolitni s.r.o. 0
AS199630 Municipal Office of the City Prague 0
AS43355 UPL TELECOM s.r.o. 0
AS48268 Inter Fiber s.r.o. 0
AS28755 ha-vel internet s.r.o. 0
AS206287 LysaFree, z.s. 0
AS203342 Ladislav Rudolf 0
AS203743 Libor Bohadlo 0
AS51449 Kabelova televize Usti nad Orlici, spol. s r. o. 0
AS202888 KETNET s.r.o. 0
AS41456 KP NETWORK, spol. s r.o. 0
AS51521 KmNet s.r.o. 0
AS198882 Karlovarsky Kraj 0
AS60727 K2 atmitec s.r.o. 0
AS198510 Krajska zdravotni, a.s. 0
AS34302 Sprintel s.r.o. 0
AS60647 Prazska plynarenska,a.s. 0
AS47122 inet4 s.r.o. 0
AS60208 J&T BANKA, a.s. 0
AS49972 IT ADMIRABLE SERVICE LTD 0
AS202890 HAKO, spol. s r.o. Jesenik 0
AS56427 Michal Hradil 0
AS201987 HEXAGEEK s.r.o. 0
AS41267 GREPA Networks s.r.o. 0
AS197246 Glow Internet s.r.o. 0
AS206050 FreeNetwork s.r.o. 0
AS204051 FLEA s.r.o. 0
AS201671 Emerald Real Group s.r.o. 0
AS198250 ELDATA prazska s.r.o. 0
AS51961 Doyter Group Limited 0
AS51105 CIS TELECOM UK LTD 0
AS61195 Peering.cz s.r.o. 0
AS47681 RIO Media a.s. 0
AS21435 Vodafone Czech Republic a.s. 0
AS5407 PODA a.s. 0
AS197299 CENTEL s.r.o. 0
AS201966 ANAFRA s.r.o. 0
AS57523 AMEuroTel s.r.o. 0
AS8316 Telenor Czech Republic 0
AS197713 MIKROSERVIS v.o.s 0
AS206384 Artemis Hosting s.r.o. 0
AS201732 Maxicom Technologies s.r.o. 0
AS39408 AVI druzstvo 0
AS3349 PVT 0
AS202911 Diovetech s.r.o. 0
AS199519 Cloud4com 0
AS206591 Alza.cz a.s. 0
AS50491 Planet A, a.s. 0
AS199176 Gigalynx s.r.o. 0
AS5490 Nextra Czech Republic s.r.o. 0
AS49018 Alphatech Resource Holdings s.r.o. 0
AS201761 ISP Alliance a.s. 0
AS29274 Obcanske sdruzeni GAVANET 0
AS34692 Freebone s.r.o. 0
AS6721 The Terminal Bar 0
AS2819 T-Mobile Czech Republic a.s. 0
AS197026 Galevi s.r.o. 0
AS198587 HBQ a.s. 0
AS199471 TeleNet Taishet Ltd. 0
AS59969 FOP Kameristov Andrey Evgenovuch 0
AS199023 Aiming Invest s.r.o. 0
AS21383 PE Alexander Yakimov 0
AS196804 Info-Media LTD 0
AS200034 EZE A.S. 0
AS51902 Web4Soft Internet s.r.o. 0
AS205885 Navmatix s.r.o. 0
AS21142 T-Mobile Czech Republic a.s. 0
AS25036 Internethome, s.r.o. 0
AS42969 G4S Cash Solutions (CZ), a.s. 0
AS50714 Closed Joint Stock Company TransTeleCom 0
AS199180 ALGETI s.r.o. 0
AS197286 ASJDMNET David Jarolimek 0
AS60143 Brno University of Technology 0
AS15485 T-Mobile Czech Republic a.s. 0
AS199607 ASSICURO PCO SICURO s.r.o. 0
AS44910 FH Miraj-94 0
AS205549 FixPro,z.s. 0
AS41824 Internethome, s.r.o. 0
AS51154 Internethome, s.r.o. 0
AS49418 Domashnie Seti Ltd 0
AS34070 DATin internet s.r.o. 0
AS203072 DomaTV s.r.o. 0
AS59745 VSHosting s.r.o. 0
AS206613 Tipsport.net a.s. 0
AS206321 STARTECH spol. s r.o. 0
AS29525 Virtualmaster, s.r.o. 0
AS33919 ServerNow s.r.o. 0
AS49459 Sigma plus Ltd. 0
AS3234 Parliament of the Czech Republic 0
AS198027 VITKOVICE IT SOLUTIONS a.s. 0
AS199019 PPG DECO CZECH a.s. 0
AS57780 VISSADO s.r.o. 0
AS51801 Nano.cz s.r.o. 0
AS3160 Lumius, spol. s r.o. 0
AS201187 Whois protection s.r.o. 0
AS51403 FOP Ljashenko Igor Ivanovich 0
AS204247 Jiri Dolezal 0
AS197059 HOTNET s.r.o. 0
AS49671 FRIENDHOSTING L.P. 0
AS196952 BEZVANET s.r.o. 0
AS206832 Yes Networks Unlimited Ltd 0
AS56516 Fayber-M Ltd. 0
AS196916 BusinessCom CZ spol. s r.o. 0
AS197412 Vladislav Heczko PE 0
AS196746 Speednet, s.r.o. 0
AS15494 BT Limited, organizacni slozka 0
AS49833 Alexandr Y Potkin 0
AS47200 NIX.CZ z.s.p.o. 0
AS24828 UPC Ceska Republica, s.r.o. 0
AS29113 UPC Ceska Republica, s.r.o. 0
AS196965 TechCom s.r.o. 0
AS49417 FOP Tikhon S. Zyuzikov 0
AS15512 UPC Ceska Republica, s.r.o. 0
AS201007 Tesco Stores CR a.s. 0
AS57325 The Department of the State Security Service at the Ministry of Home Affairs of Ukraine 0
AS204214 S.I.C. spol. s r.o. 0
AS207048 SPANET 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.