AS5610 — O2-CZECH-REPUBLIC
O2-CZECH-REPUBLIC — about 1.5 million IPv4 addresses.
ASNs in Czechia: 574 networks (Autonomous Systems)
List of Autonomous Systems (ASN) registered in Czechia — 574 networks from carriers, ISPs, clouds and companies. Find out who owns each network and what it means to see it on your connection.
AS16019 — VODAFONE-CZ-AS
VODAFONE-CZ-AS — about 1.2 million IPv4 addresses.
AS13036 — TMOBILE-
TMOBILE- — about 992.3 thousand IPv4 addresses.
AS2852 — CESNET2
CESNET2 — about 849.9 thousand IPv4 addresses.
AS29208 — QUANTCOM-AS Quantcom a.s.
QUANTCOM-AS Quantcom a.s. — about 266 thousand IPv4 addresses.
AS30764 — PODA-AS
PODA-AS — about 218.1 thousand IPv4 addresses.
AS42908 — ORIGINAL AS CZ-NORDICTELECOMREGIONAL
ORIGINAL AS CZ-NORDICTELECOMREGIONAL — about 183.3 thousand IPv4 addresses.
AS2571 — DHLNET
DHLNET — about 152.8 thousand IPv4 addresses.
AS28725 — CETIN-AS
CETIN-AS — about 134.4 thousand IPv4 addresses.
AS16246 — AS16246 NEJ.cz s.r.o
AS16246 NEJ.cz s.r.o — about 133.1 thousand IPv4 addresses.
AS25512 — CDT-AS The Czech Republic
CDT-AS The Czech Republic — about 117.8 thousand IPv4 addresses.
AS44546 — ALFATELECOM-AS
ALFATELECOM-AS — about 114.4 thousand IPv4 addresses.
AS15425 — COMA
COMA — about 110.6 thousand IPv4 addresses.
AS25248 — BLUETONE-AS The Czech Republic
BLUETONE-AS The Czech Republic — about 106.8 thousand IPv4 addresses.
AS197451 — VUTBR-AS
VUTBR-AS — about 66.8 thousand IPv4 addresses.
AS31246 — NETBOX-AS NETBOX Autonomous system
NETBOX-AS NETBOX Autonomous system — about 66.6 thousand IPv4 addresses.
AS44489 — STARNET
STARNET — about 64.8 thousand IPv4 addresses.
AS24971 — MASTER-AS Czech Republic www.master.cz
MASTER-AS Czech Republic www.master.cz — about 58.1 thousand IPv4 addresses.
AS15935 — HA-VEL-LOCAL-AS Czech republic
HA-VEL-LOCAL-AS Czech republic — about 50.4 thousand IPv4 addresses.
AS12570 — ITSELF Network and internet service provider.
ITSELF Network and internet service provider. — about 49.7 thousand IPv4 addresses.
AS24806 — INTERNET-CZ Ktis 2, 384 03 Ktis
INTERNET-CZ Ktis 2, 384 03 Ktis — about 45.8 thousand IPv4 addresses.
AS6740 — INEXT-CZ-ADA
INEXT-CZ-ADA — about 42 thousand IPv4 addresses.
AS21430 — WIA-AS
WIA-AS — about 41.2 thousand IPv4 addresses.
AS5588 — GTSCE GTS Central Europe Antel Germany
GTSCE GTS Central Europe Antel Germany — about 38.1 thousand IPv4 addresses.
AS25424 — INEXT-CZ InterneXt 2000, s.r.o.
INEXT-CZ InterneXt 2000, s.r.o. — about 33.8 thousand IPv4 addresses.
AS39906 — COPROSYS
COPROSYS — about 33.8 thousand IPv4 addresses.
AS41046 — NEJTV-AS
NEJTV-AS — about 32.8 thousand IPv4 addresses.
AS39392 — SUPERNETWORK _
SUPERNETWORK _ — about 31.7 thousand IPv4 addresses.
AS15685 — CASABLANCA-AS Internet & Collocation Provider
CASABLANCA-AS Internet & Collocation Provider — about 31.2 thousand IPv4 addresses.
AS9080 — GIN Czech Republic, EU
GIN Czech Republic, EU — about 26.6 thousand IPv4 addresses.
AS42306 — EDERA_GROUP
EDERA_GROUP — about 20.5 thousand IPv4 addresses.
AS15614 — DRAGON Dragon Internet a.s.
DRAGON Dragon Internet a.s. — about 20 thousand IPv4 addresses.
AS29134 — IGNUM-AS Czech Republic
IGNUM-AS Czech Republic — about 20 thousand IPv4 addresses.
AS39791 — TPS-AS Telco Pro Services, a.s.
TPS-AS Telco Pro Services, a.s. — about 18.7 thousand IPv4 addresses.
AS49985 — IP4ISP
IP4ISP — about 17.9 thousand IPv4 addresses.
AS8251 — NFX_ZSPO
NFX_ZSPO — about 17.4 thousand IPv4 addresses.
AS61296 — TECHCOM-AS TechCom s.r.o.
TECHCOM-AS TechCom s.r.o. — about 17.4 thousand IPv4 addresses.
AS43541 — VSHOSTING
VSHOSTING — about 17.2 thousand IPv4 addresses.
AS24641 — FASTER-AS
FASTER-AS — about 16.9 thousand IPv4 addresses.
AS20723 — MGI CZ.MGI autonomous system, Czech Republic
MGI CZ.MGI autonomous system, Czech Republic — about 16.4 thousand IPv4 addresses.
AS196735 — AS-JONCZ jakub@jon.cz
AS-JONCZ jakub@jon.cz — about 16.4 thousand IPv4 addresses.
AS196822 — SELECTSYSTEM-AS
SELECTSYSTEM-AS — about 16.4 thousand IPv4 addresses.
AS197197 — M-NET
M-NET — about 16.4 thousand IPv4 addresses.
AS29321 — CENTRONETAS Czech Republic
CENTRONETAS Czech Republic — about 15.4 thousand IPv4 addresses.
AS57728 — TELIN-AS
TELIN-AS — about 15.4 thousand IPv4 addresses.
AS204666 — CZJIRITLAPAK
CZJIRITLAPAK — about 14.3 thousand IPv4 addresses.
AS207187 — TKRJASEK
TKRJASEK — about 14.3 thousand IPv4 addresses.
AS210712 — GRAPESC
GRAPESC — about 14.3 thousand IPv4 addresses.
AS35592 — COOLHOUSING-AS Vinohradska 190
COOLHOUSING-AS Vinohradska 190 — about 13.6 thousand IPv4 addresses.
AS34040 — CZTTNET-AS
CZTTNET-AS — about 13.3 thousand IPv4 addresses.
AS49101 — KTCT-ASN
KTCT-ASN — about 13.3 thousand IPv4 addresses.
AS51248 — HOST-TELECOM
HOST-TELECOM — about 13.1 thousand IPv4 addresses.
AS207700 — RELIABLE-COMMUNICATIONS
RELIABLE-COMMUNICATIONS — about 13.1 thousand IPv4 addresses.
AS28972 — MSOFT-AS Jihlava
MSOFT-AS Jihlava — about 12.8 thousand IPv4 addresses.
AS48926 — PE3NY-AS
PE3NY-AS — about 12.3 thousand IPv4 addresses.
AS197013 — SPRINTEL-SRO
SPRINTEL-SRO — about 12.3 thousand IPv4 addresses.
AS56566 — SATT-AS
SATT-AS — about 12 thousand IPv4 addresses.
AS34080 — MIRAMO-AS
MIRAMO-AS — about 11.3 thousand IPv4 addresses.
AS50698 — TETA
TETA — about 11.3 thousand IPv4 addresses.
AS204383 — CZ-SPCOM-AS
CZ-SPCOM-AS — about 11.3 thousand IPv4 addresses.
AS35236 — AS35236 - UVT Internet s.r.o.
AS35236 - UVT Internet s.r.o. — about 10.5 thousand IPv4 addresses.
AS39761 — ABAK
ABAK — about 10.2 thousand IPv4 addresses.
AS47232 — ISPALLIANCE
ISPALLIANCE — about 10 thousand IPv4 addresses.
AS197019 — WEDOS
WEDOS — about 9.7 thousand IPv4 addresses.
AS35613 — NETDATACOMM
NETDATACOMM — about 9.2 thousand IPv4 addresses.
AS41088 — N_SYS s.r.o.
N_SYS s.r.o. — about 9.2 thousand IPv4 addresses.
AS48574 — ASN-CZ-PLANET-A-48574
ASN-CZ-PLANET-A-48574 — about 9.2 thousand IPv4 addresses.
AS197798 — NET-CONNECT
NET-CONNECT — about 9.2 thousand IPv4 addresses.
AS43070 — JAW-AS
JAW-AS — about 8.7 thousand IPv4 addresses.
AS50833 — FIBERTEL-AS # upstreams
FIBERTEL-AS # upstreams — about 8.7 thousand IPv4 addresses.
AS51420 — CYRILEK-AS
CYRILEK-AS — about 8.7 thousand IPv4 addresses.
AS201476 — WOLFNET
WOLFNET — about 8.7 thousand IPv4 addresses.
AS8913 — IPNET
IPNET — about 8.2 thousand IPv4 addresses.
AS33943 — CBEZDRAT-AS
CBEZDRAT-AS — about 8.2 thousand IPv4 addresses.
AS43507 — RETE-AS
RETE-AS — about 8.2 thousand IPv4 addresses.
AS43709 — SILESNET
SILESNET — about 8.2 thousand IPv4 addresses.
AS47493 — WMS-AS
WMS-AS — about 8.2 thousand IPv4 addresses.
AS57069 — ASDCC
ASDCC — about 8.2 thousand IPv4 addresses.
AS198002 — CEZNET-AS CEZNET s.r.o.
CEZNET-AS CEZNET s.r.o. — about 8.2 thousand IPv4 addresses.
AS202237 — WICNET-AS
WICNET-AS — about 8.2 thousand IPv4 addresses.
AS43542 — OPTONET-AS
OPTONET-AS — about 7.9 thousand IPv4 addresses.
AS50825 — UVT
UVT — about 7.4 thousand IPv4 addresses.
AS25234 — ACTIVE24-AS www.active24.cz
ACTIVE24-AS www.active24.cz — about 7.2 thousand IPv4 addresses.
AS28905 — BECOLINK-AS
BECOLINK-AS — about 7.2 thousand IPv4 addresses.
AS33883 — TRIONET-CZ-AS NIX
TRIONET-CZ-AS NIX — about 7.2 thousand IPv4 addresses.
AS35046 — OMEGAPLUS-AS
OMEGAPLUS-AS — about 7.2 thousand IPv4 addresses.
AS42189 — EUROSIGNAL-AS
EUROSIGNAL-AS — about 7.2 thousand IPv4 addresses.
AS47114 — ZLINNET
ZLINNET — about 6.7 thousand IPv4 addresses.
AS197296 — UNITED_NETWORKS_SE
UNITED_NETWORKS_SE — about 6.7 thousand IPv4 addresses.
AS42000 — KAORA Czech Republic
KAORA Czech Republic — about 6.4 thousand IPv4 addresses.
AS49121 — INFTELE-AS IN8INITY
INFTELE-AS IN8INITY — about 6.4 thousand IPv4 addresses.
AS59479 — ASGEMNET
ASGEMNET — about 6.4 thousand IPv4 addresses.
AS29583 — UNIENT-AS
UNIENT-AS — about 6.1 thousand IPv4 addresses.
AS34222 — ZONER-AS
ZONER-AS — about 6.1 thousand IPv4 addresses.
AS44065 — NETAIR-AS NETAIR, s.r.o. - Network Infrastructure
NETAIR-AS NETAIR, s.r.o. - Network Infrastructure — about 6.1 thousand IPv4 addresses.
AS60592 — GRANSY Gransy s.r.o. gransy.com
GRANSY Gransy s.r.o. gransy.com — about 6.1 thousand IPv4 addresses.
AS207198 — KTK
KTK — about 6.1 thousand IPv4 addresses.
AS43413 — ASNEW
ASNEW — about 5.9 thousand IPv4 addresses.
AS25192 — CZNIC-AS
CZNIC-AS — about 5.6 thousand IPv4 addresses.
AS198605 — AVAST-AS-DC Gen Digital dba as Avast
AVAST-AS-DC Gen Digital dba as Avast — about 5.6 thousand IPv4 addresses.
AS198813 — SYCHROVNET
SYCHROVNET — about 5.6 thousand IPv4 addresses.
AS197307 — BNET-INTERNET_
BNET-INTERNET_ — about 5.4 thousand IPv4 addresses.
AS200918 — ORELSOFT
ORELSOFT — about 5.4 thousand IPv4 addresses.
AS201730 — DATASPRING
DATASPRING — about 5.4 thousand IPv4 addresses.
AS31349 — A-NET
A-NET — about 5.1 thousand IPv4 addresses.
AS39790 — WEB4U
WEB4U — about 5.1 thousand IPv4 addresses.
AS41453 — TRESTEL-CZ-ASN
TRESTEL-CZ-ASN — about 5.1 thousand IPv4 addresses.
AS41670 — HKFREE-AS
HKFREE-AS — about 5.1 thousand IPv4 addresses.
AS48661 — AIRWAYNET
AIRWAYNET — about 5.1 thousand IPv4 addresses.
AS49767 — INTERNETPB-AS
INTERNETPB-AS — about 5.1 thousand IPv4 addresses.
AS196843 — KHNET
KHNET — about 5.1 thousand IPv4 addresses.
AS202618 — RYCHLYDRAT
RYCHLYDRAT — about 5.1 thousand IPv4 addresses.
AS202895 — TFNET
TFNET — about 5.1 thousand IPv4 addresses.
AS206548 — TLAP-ZCOM
TLAP-ZCOM — about 5.1 thousand IPv4 addresses.
AS207242 — NOEL
NOEL — about 5.1 thousand IPv4 addresses.
AS209810 — NETCORESERVICES
NETCORESERVICES — about 4.9 thousand IPv4 addresses.
AS47110 — CLOUD4COM-AS
CLOUD4COM-AS — about 4.6 thousand IPv4 addresses.
AS48417 — ITS-
ITS- — about 4.6 thousand IPv4 addresses.
AS52092 — ALFSERVIS-AS
ALFSERVIS-AS — about 4.6 thousand IPv4 addresses.
AS39817 — OVANET
OVANET — about 4.4 thousand IPv4 addresses.
AS52115 — JARONET-AS
JARONET-AS — about 4.4 thousand IPv4 addresses.
AS21045 — QNET
QNET — about 4.1 thousand IPv4 addresses.
AS29086 — GITY-AS G-NET
GITY-AS G-NET — about 4.1 thousand IPv4 addresses.
AS44070 — MCNET-AS
MCNET-AS — about 4.1 thousand IPv4 addresses.
AS47269 — HLUCIN-NET-AS
HLUCIN-NET-AS — about 4.1 thousand IPv4 addresses.
AS47868 — SUPRO-AS AS SUPRO-NET
SUPRO-AS AS SUPRO-NET — about 4.1 thousand IPv4 addresses.
AS49890 — ADA-NET-AS
ADA-NET-AS — about 4.1 thousand IPv4 addresses.
AS51968 — NEOS-AS
NEOS-AS — about 4.1 thousand IPv4 addresses.
AS56360 — MSTR-AS
MSTR-AS — about 4.1 thousand IPv4 addresses.
AS56450 — ALBERON_AS
ALBERON_AS — about 4.1 thousand IPv4 addresses.
AS56456 — C2NET
C2NET — about 4.1 thousand IPv4 addresses.
AS57188 — RNET-AS
RNET-AS — about 4.1 thousand IPv4 addresses.
AS57279 — SAURONNET
SAURONNET — about 4.1 thousand IPv4 addresses.
AS57294 — INTERNET_EXPERT_
INTERNET_EXPERT_ — about 4.1 thousand IPv4 addresses.
AS57496 — PRAHA1NET-AS
PRAHA1NET-AS — about 4.1 thousand IPv4 addresses.
AS59959 — SFERIA
SFERIA — about 4.1 thousand IPv4 addresses.
AS62099 — JMNET
JMNET — about 4.1 thousand IPv4 addresses.
AS197029 — LAM-AS
LAM-AS — about 4.1 thousand IPv4 addresses.
AS197550 — ASINET4YOU
ASINET4YOU — about 4.1 thousand IPv4 addresses.
AS197846 — SAOCOMP-AS
SAOCOMP-AS — about 4.1 thousand IPv4 addresses.
AS198500 — MUNINET-AS
MUNINET-AS — about 4.1 thousand IPv4 addresses.
AS198991 — TV_NOVA_SRO
TV_NOVA_SRO — about 4.1 thousand IPv4 addresses.
AS204860 — NETX NetX Networks a.s.
NETX NetX Networks a.s. — about 4.1 thousand IPv4 addresses.
AS209155 — ONEHOSTPLANET Giga
ONEHOSTPLANET Giga — about 4.1 thousand IPv4 addresses.
AS210958 — FASTPORT
FASTPORT — about 4.1 thousand IPv4 addresses.
AS2118 — RELCOM-AS Relcom Group 19.02.2019
RELCOM-AS Relcom Group 19.02.2019 — about 3.8 thousand IPv4 addresses.
AS204064 — CEZNET CEZNET s.r.o.
CEZNET CEZNET s.r.o. — about 3.8 thousand IPv4 addresses.
AS215704 — NGN-
NGN- — about 3.8 thousand IPv4 addresses.
AS34911 — ASELDATA
ASELDATA — about 3.6 thousand IPv4 addresses.
AS39904 — MERIT-AS MERIT GROUP a.s.
MERIT-AS MERIT GROUP a.s. — about 3.6 thousand IPv4 addresses.