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Autonomous systems

Browse autonomous systems by size and country: name, type, prefix count and address space, from public routing data.

🇨🇿 Czechia

200All
ASNNameCountryNetwork typeIPv4 prefixesIPv4 addresses
AS5610O2-CZECH-REPUBLIC🇨🇿 CZUnclassified network461,540,608
AS16019VODAFONE-CZ-AS🇨🇿 CZMobile carrier461,210,368
AS13036TMOBILE-🇨🇿 CZMobile carrier33992,256
AS2852CESNET2🇨🇿 CZUnclassified network20849,920
AS29208QUANTCOM-AS Quantcom a.s.🇨🇿 CZUnclassified network34265,984
AS30764PODA-AS🇨🇿 CZUnclassified network15218,112
AS42908ORIGINAL AS CZ-NORDICTELECOMREGIONAL🇨🇿 CZResidential35183,296
AS2571DHLNET🇨🇿 CZResidential20152,832
AS28725CETIN-AS🇨🇿 CZUnclassified network7134,400
AS16246AS16246 NEJ.cz s.r.o🇨🇿 CZUnclassified network13133,120
AS25512CDT-AS The Czech Republic🇨🇿 CZUnclassified network11117,760
AS15425COMA🇨🇿 CZUnclassified network8110,592
AS44546ALFATELECOM-AS🇨🇿 CZResidential79110,592
AS25248BLUETONE-AS The Czech Republic🇨🇿 CZUnclassified network5106,752
AS197451VUTBR-AS🇨🇿 CZUnclassified network466,816
AS31246NETBOX-AS NETBOX Autonomous system🇨🇿 CZUnclassified network566,560
AS44489STARNET🇨🇿 CZResidential2264,768
AS24971MASTER-AS Czech Republic www.master.cz🇨🇿 CZUnclassified network3158,112
AS15935HA-VEL-LOCAL-AS Czech republic🇨🇿 CZUnclassified network850,432
AS12570ITSELF Network and internet service provider.🇨🇿 CZResidential1949,664
AS24806INTERNET-CZ Ktis 2, 384 03 Ktis🇨🇿 CZResidential1045,824
AS6740INEXT-CZ-ADA🇨🇿 CZUnclassified network441,984
AS21430WIA-AS🇨🇿 CZUnclassified network5041,216
AS25424INEXT-CZ InterneXt 2000, s.r.o.🇨🇿 CZUnclassified network733,792
AS39906COPROSYS🇨🇿 CZUnclassified network1833,792
AS41046NEJTV-AS🇨🇿 CZUnclassified network432,768
AS39392SUPERNETWORK _🇨🇿 CZUnclassified network1031,744
AS15685CASABLANCA-AS Internet & Collocation Provider🇨🇿 CZResidential3931,232
AS9080GIN Czech Republic, EU🇨🇿 CZUnclassified network426,624
AS29134IGNUM-AS Czech Republic🇨🇿 CZUnclassified network1521,248
AS42306EDERA_GROUP🇨🇿 CZUnclassified network720,480
AS15614DRAGON Dragon Internet a.s.🇨🇿 CZResidential619,968
AS39791TPS-AS Telco Pro Services, a.s.🇨🇿 CZResidential318,688
AS49985IP4ISP🇨🇿 CZResidential517,920
AS8251NFX_ZSPO🇨🇿 CZUnclassified network517,408
AS61296TECHCOM-AS TechCom s.r.o.🇨🇿 CZUnclassified network217,408
AS43541VSHOSTING🇨🇿 CZDatacenter / hosting1517,152
AS24641FASTER-AS🇨🇿 CZUnclassified network1116,896
AS20723MGI CZ.MGI autonomous system, Czech Republic🇨🇿 CZUnclassified network716,384
AS196735AS-JONCZ jakub@jon.cz🇨🇿 CZUnclassified network216,384
AS196822SELECTSYSTEM-AS🇨🇿 CZUnclassified network116,384
AS197197M-NET🇨🇿 CZResidential116,384
AS29321CENTRONETAS Czech Republic🇨🇿 CZUnclassified network515,360
AS57728TELIN-AS🇨🇿 CZUnclassified network415,360
AS204666CZJIRITLAPAK🇨🇿 CZUnclassified network1914,336
AS207187TKRJASEK🇨🇿 CZUnclassified network414,336
AS210712GRAPESC🇨🇿 CZUnclassified network714,336
AS51248HOST-TELECOM🇨🇿 CZDatacenter / hosting1813,824
AS35592COOLHOUSING-AS Vinohradska 190🇨🇿 CZUnclassified network513,568
AS34040CZTTNET-AS🇨🇿 CZResidential313,312
AS49101KTCT-ASN🇨🇿 CZUnclassified network713,312
AS207700RELIABLE-COMMUNICATIONS🇨🇿 CZResidential2313,056
AS28972MSOFT-AS Jihlava🇨🇿 CZUnclassified network512,800
AS48926PE3NY-AS🇨🇿 CZUnclassified network612,288
AS197013SPRINTEL-SRO🇨🇿 CZUnclassified network512,288
AS56566SATT-AS🇨🇿 CZUnclassified network912,032
AS34080MIRAMO-AS🇨🇿 CZUnclassified network411,264
AS50698TETA🇨🇿 CZUnclassified network311,264
AS204383CZ-SPCOM-AS🇨🇿 CZUnclassified network1611,264
AS35236AS35236 - UVT Internet s.r.o.🇨🇿 CZResidential1010,496
AS39761ABAK🇨🇿 CZUnclassified network610,240
AS47232ISPALLIANCE🇨🇿 CZResidential109,984
AS197019WEDOS🇨🇿 CZUnclassified network59,984
AS35613NETDATACOMM🇨🇿 CZUnclassified network49,216
AS41088N_SYS s.r.o.🇨🇿 CZUnclassified network29,216
AS48574ASN-CZ-PLANET-A-48574🇨🇿 CZResidential39,216
AS50833FIBERTEL-AS # upstreams🇨🇿 CZResidential59,216
AS197798NET-CONNECT🇨🇿 CZResidential29,216
AS43070JAW-AS🇨🇿 CZUnclassified network58,704
AS51420CYRILEK-AS🇨🇿 CZUnclassified network28,704
AS201476WOLFNET🇨🇿 CZResidential108,704
AS8913IPNET🇨🇿 CZResidential18,192
AS33943CBEZDRAT-AS🇨🇿 CZUnclassified network18,192
AS43507RETE-AS🇨🇿 CZUnclassified network18,192
AS43709SILESNET🇨🇿 CZResidential18,192
AS47493WMS-AS🇨🇿 CZUnclassified network18,192
AS57069ASDCC🇨🇿 CZUnclassified network18,192
AS198002CEZNET-AS CEZNET s.r.o.🇨🇿 CZResidential18,192
AS202237WICNET-AS🇨🇿 CZResidential18,192
AS43542OPTONET-AS🇨🇿 CZResidential27,936
AS50825UVT🇨🇿 CZUnclassified network67,424
AS25234ACTIVE24-AS www.active24.cz🇨🇿 CZUnclassified network67,168
AS28905BECOLINK-AS🇨🇿 CZUnclassified network37,168
AS33883TRIONET-CZ-AS NIX🇨🇿 CZResidential37,168
AS35046OMEGAPLUS-AS🇨🇿 CZUnclassified network37,168
AS42189EUROSIGNAL-AS🇨🇿 CZUnclassified network47,168
AS47114ZLINNET🇨🇿 CZResidential36,656
AS197296UNITED_NETWORKS_SE🇨🇿 CZUnclassified network46,656
AS42000KAORA Czech Republic🇨🇿 CZUnclassified network56,400
AS49121INFTELE-AS IN8INITY🇨🇿 CZUnclassified network126,400
AS59479ASGEMNET🇨🇿 CZResidential36,400
AS29583UNIENT-AS🇨🇿 CZUnclassified network46,144
AS34222ZONER-AS🇨🇿 CZUnclassified network26,144
AS44065NETAIR-AS NETAIR, s.r.o. - Network Infrastructure🇨🇿 CZUnclassified network26,144
AS60592GRANSY Gransy s.r.o. gransy.com🇨🇿 CZUnclassified network86,144
AS207198KTK🇨🇿 CZUnclassified network26,144
AS43413ASNEW🇨🇿 CZUnclassified network35,888
AS25192CZNIC-AS🇨🇿 CZUnclassified network45,632
AS198605AVAST-AS-DC Gen Digital dba as Avast🇨🇿 CZUnclassified network155,632
AS198813SYCHROVNET🇨🇿 CZResidential35,632
AS197307BNET-INTERNET_🇨🇿 CZResidential35,376
AS200918ORELSOFT🇨🇿 CZUnclassified network75,376
AS201730DATASPRING🇨🇿 CZUnclassified network65,376
AS31349A-NET🇨🇿 CZResidential25,120
AS39790WEB4U🇨🇿 CZUnclassified network25,120
AS41453TRESTEL-CZ-ASN🇨🇿 CZUnclassified network25,120
AS41670HKFREE-AS🇨🇿 CZUnclassified network25,120
AS48661AIRWAYNET🇨🇿 CZResidential25,120
AS49767INTERNETPB-AS🇨🇿 CZResidential25,120
AS196843KHNET🇨🇿 CZResidential25,120
AS202618RYCHLYDRAT🇨🇿 CZUnclassified network25,120
AS202895TFNET🇨🇿 CZResidential65,120
AS206548TLAP-ZCOM🇨🇿 CZUnclassified network55,120
AS207242NOEL🇨🇿 CZUnclassified network55,120
AS209810NETCORESERVICES🇨🇿 CZUnclassified network64,864
AS47110CLOUD4COM-AS🇨🇿 CZDatacenter / hosting54,608
AS48417ITS-🇨🇿 CZUnclassified network54,608
AS52092ALFSERVIS-AS🇨🇿 CZUnclassified network24,608
AS39817OVANET🇨🇿 CZResidential24,352
AS52115JARONET-AS🇨🇿 CZResidential24,352
AS21045QNET🇨🇿 CZResidential14,096
AS29086GITY-AS G-NET🇨🇿 CZResidential14,096
AS44070MCNET-AS🇨🇿 CZResidential24,096
AS47269HLUCIN-NET-AS🇨🇿 CZResidential14,096
AS47868SUPRO-AS AS SUPRO-NET🇨🇿 CZResidential24,096
AS49890ADA-NET-AS🇨🇿 CZResidential14,096
AS51968NEOS-AS🇨🇿 CZUnclassified network24,096
AS56360MSTR-AS🇨🇿 CZUnclassified network14,096
AS56450ALBERON_AS🇨🇿 CZUnclassified network24,096
AS56456C2NET🇨🇿 CZResidential14,096
AS57188RNET-AS🇨🇿 CZResidential14,096
AS57279SAURONNET🇨🇿 CZResidential14,096
AS57294INTERNET_EXPERT_🇨🇿 CZResidential24,096
AS57496PRAHA1NET-AS🇨🇿 CZResidential14,096
AS59959SFERIA🇨🇿 CZUnclassified network44,096
AS62099JMNET🇨🇿 CZResidential34,096
AS197029LAM-AS🇨🇿 CZUnclassified network24,096
AS197550ASINET4YOU🇨🇿 CZUnclassified network14,096
AS197846SAOCOMP-AS🇨🇿 CZUnclassified network14,096
AS198500MUNINET-AS🇨🇿 CZResidential14,096
AS198991TV_NOVA_SRO🇨🇿 CZUnclassified network14,096
AS204860NETX NetX Networks a.s.🇨🇿 CZUnclassified network74,096
AS209155ONEHOSTPLANET Giga🇨🇿 CZDatacenter / hosting94,096
AS210958FASTPORT🇨🇿 CZUnclassified network24,096
AS2118RELCOM-AS Relcom Group 19.02.2019🇨🇿 CZUnclassified network143,840
AS204064CEZNET CEZNET s.r.o.🇨🇿 CZResidential53,840
AS215704NGN-🇨🇿 CZUnclassified network33,840
AS34911ASELDATA🇨🇿 CZUnclassified network53,584
AS39904MERIT-AS MERIT GROUP a.s.🇨🇿 CZUnclassified network53,584
AS57707GREENDATA🇨🇿 CZUnclassified network53,584
AS207167AMCCOMP-MASTER-BRNO🇨🇿 CZUnclassified network43,584
AS197879HELAPC🇨🇿 CZUnclassified network33,328
AS34955ASVICENIK🇨🇿 CZUnclassified network33,072
AS42422SECURITYNET-AS🇨🇿 CZResidential33,072
AS43037SEZNAM-🇨🇿 CZUnclassified network23,072
AS43614ECONOMIA-🇨🇿 CZUnclassified network23,072
AS44002SYS-DATACOM Czech Republic🇨🇿 CZUnclassified network23,072
AS47317WEB4CE webhosting🇨🇿 CZDatacenter / hosting23,072
AS48298GOV🇨🇿 CZUnclassified network23,072
AS48364ACVYSKOV-AS🇨🇿 CZUnclassified network23,072
AS49025PROZETA-NET🇨🇿 CZResidential53,072
AS50398FASTCOMMUNICATIONS🇨🇿 CZResidential23,072
AS56624ASRTYNENET🇨🇿 CZResidential23,072
AS56973VITSOL🇨🇿 CZUnclassified network23,072
AS57077AB-NET🇨🇿 CZResidential23,072
AS59970AMIGONET www.amigonet.cz🇨🇿 CZResidential33,072
AS196861DIGIACT-AS🇨🇿 CZUnclassified network23,072
AS197046AS_FIXNET🇨🇿 CZResidential23,072
AS198161CZ-SUAS🇨🇿 CZUnclassified network23,072
AS198167APPTOCLOUD AppToCloud servers, vps🇨🇿 CZDatacenter / hosting53,072
AS199657TOUSKOVNET🇨🇿 CZResidential43,072
AS202921CC_INTERNET🇨🇿 CZResidential43,072
AS203018PAMICO🇨🇿 CZUnclassified network23,072
AS210139DPT🇨🇿 CZUnclassified network23,072
AS52058PETRKOVICE_NET🇨🇿 CZResidential22,560
AS57287OTAVANET-AS🇨🇿 CZResidential12,560
AS197206EU1-BUSINESSCOM🇨🇿 CZUnclassified network32,560
AS198977UNART🇨🇿 CZUnclassified network22,560
AS200449QRATOR-🇨🇿 CZUnclassified network22,560
AS204949CMIS🇨🇿 CZUnclassified network72,560
AS208414WEDOS-GLOBAL🇨🇿 CZUnclassified network42,560
AS6881NIXCZ NIX.CZ z.s.p.o.🇨🇿 CZUnclassified network22,304
AS43757ICZAS-🇨🇿 CZUnclassified network22,304
AS50301ASN-BRAZDIMNET🇨🇿 CZResidential22,304
AS207945CNI🇨🇿 CZUnclassified network32,304
AS20609KAZACZSRO🇨🇿 CZUnclassified network22,048
AS21241MUZO-AS Prague🇨🇿 CZUnclassified network22,048
AS31461MORAVIA-IT-AS🇨🇿 CZUnclassified network12,048
AS34049WOSACZ-AS wosa.cz🇨🇿 CZUnclassified network32,048
AS38952MAFRA-CZ-AS🇨🇿 CZUnclassified network22,048
AS43500WBD-AS Warner Bros. Discovery🇨🇿 CZUnclassified network42,048
AS44424AS44424 - AS44424🇨🇿 CZUnclassified network12,048
AS44430MARCOM-EKO-AS🇨🇿 CZUnclassified network12,048
AS44500VLASIMNET🇨🇿 CZResidential22,048
AS44712EHAMNET-AS🇨🇿 CZResidential12,048
AS47131PH🇨🇿 CZUnclassified network12,048
AS47767RCO-AS🇨🇿 CZUnclassified network12,048
AS47949GSNETCZ Czech Republic🇨🇿 CZUnclassified network12,048
AS48451PRE-AS🇨🇿 CZUnclassified network12,048
AS50163ALTNET-SKVELYNET🇨🇿 CZResidential12,048