CZ
Autonomous Systems registered in this country
606
Total ASNs
2,324
IPv4 Prefixes
1,039
IPv6 Prefixes
30%
IPv6 Ratio
| ASN | Name | RIR | IPv4 | IPv6 | Status |
|---|---|---|---|---|---|
| AS208414 | WEDOS-GLOBAL | RIPE | 10 | 100 | Active |
| AS16019 | VODAFONE-CZ-AS | RIPE | 89 | 17 | Active |
| AS2571 | DHLNET | ARIN | 55 | 45 | Active |
| AS5610 | O2-CZECH-REPUBLIC | RIPE | 67 | 5 | Active |
| AS21430 | WIA-AS | RIPE | 66 | 5 | Active |
| AS15935 | HA-VEL-LOCAL-AS | RIPE | 13 | 58 | Active |
| AS15685 | CASABLANCA-AS | RIPE | 59 | 1 | Active |
| AS204666 | czjiritlapak | RIPE | 37 | 9 | Active |
| AS44002 | SYS-DATACOM | RIPE | 13 | 33 | Active |
| AS24971 | MASTER-AS | RIPE | 33 | 13 | Active |
| AS42908 | CZ-NORDICTELECOMREGIONAL | RIPE | 35 | 9 | Active |
| AS29208 | QUANTCOM-AS | RIPE | 36 | 5 | Active |
| AS35592 | COOLHOUSING-AS | RIPE | 31 | 4 | Active |
| AS13036 | TMOBILE-CZ | RIPE | 30 | 3 | Active |
| AS44489 | Starnet | RIPE | 26 | 7 | Active |
| AS198605 | AVAST-AS-DC | RIPE | 22 | 8 | Active |
| AS49121 | INFTELE-AS | RIPE | 21 | 9 | Active |
| AS2852 | CESNET2 | ARIN | 27 | 1 | Active |
| AS201730 | DataSpring | RIPE | 26 | 1 | Active |
| AS203645 | RYZNAR-AS | RIPE | 4 | 23 | Active |
| AS29134 | IGNUM-AS | RIPE | 18 | 6 | Active |
| AS43541 | VSHOSTING | RIPE | 17 | 7 | Active |
| AS206438 | MXNET-AS | RIPE | 5 | 17 | Active |
| AS200449 | QRATOR-CZ | RIPE | 9 | 13 | Active |
| AS30764 | PODA-AS | RIPE | 19 | 2 | Active |
| AS35236 | AS35236 | RIPE | 12 | 9 | Active |
| AS60592 | GRANSY | RIPE | 17 | 3 | Active |
| AS5588 | GTSCE | RIPE | 17 | 2 | Active |
| AS204383 | CZ-SPCOM-AS | RIPE | 18 | 1 | Active |
| AS2118 | RELCOM-AS | RIPE | 18 | 0 | Active |
| AS204150 | StormHost | RIPE | 0 | 17 | Active |
| AS39392 | SuperNetwork | RIPE | 12 | 5 | Active |
| AS51420 | CYRILEK-AS | RIPE | 17 | 0 | Active |
| AS214757 | Jakub-Krsa | RIPE | 0 | 17 | Active |
| AS51248 | HOST-TELECOM | RIPE | 11 | 5 | Active |
| AS47232 | ISPAlliance | RIPE | 10 | 6 | Active |
| AS204860 | NETX | RIPE | 7 | 9 | Active |
| AS209155 | onehostplanet | RIPE | 14 | 1 | Active |
| AS25192 | CZNIC-AS | RIPE | 8 | 7 | Active |
| AS201476 | Wolfnet | RIPE | 13 | 2 | Active |
| AS16246 | AS16246 | RIPE | 13 | 2 | Active |
| AS198101 | KOOPERATIVA-AS | RIPE | 10 | 4 | Active |
| AS43709 | SILESNET | RIPE | 7 | 7 | Active |
| AS42422 | SECURITYNET-AS | RIPE | 12 | 2 | Active |
| AS12570 | ITSELF | RIPE | 11 | 2 | Active |
| AS62178 | Master_IT_Technologies | ARIN | 12 | 1 | Active |
| AS202921 | CC_INTERNET | RIPE | 12 | 1 | Active |
| AS210951 | MIEGLNET | RIPE | 0 | 13 | Active |
| AS39906 | COPROSYS | RIPE | 11 | 2 | Active |
| AS24806 | INTERNET-CZ | RIPE | 11 | 1 | Active |
| AS24641 | FASTER-AS | RIPE | 10 | 2 | Active |
| AS197451 | VUTBR-AS | RIPE | 8 | 4 | Active |
| AS42306 | EDERA_Group | RIPE | 8 | 4 | Active |
| AS34955 | ASVICENIK | RIPE | 12 | 0 | Active |
| AS25512 | CDT-AS | RIPE | 11 | 1 | Active |
| AS50698 | TETA | RIPE | 9 | 3 | Active |
| AS43037 | SEZNAM-CZ | RIPE | 6 | 6 | Active |
| AS200918 | ORELSOFT | RIPE | 10 | 1 | Active |
| AS50833 | FIBERTEL-AS | RIPE | 5 | 6 | Active |
| AS202895 | TFnet | RIPE | 10 | 1 | Active |
| AS44546 | ALFATELECOM-AS | RIPE | 11 | 0 | Active |
| AS41046 | NEJTV-AS | RIPE | 8 | 2 | Active |
| AS48417 | ITS-CZ | RIPE | 9 | 1 | Active |
| AS56566 | SATT-AS | RIPE | 9 | 1 | Active |
| AS51331 | ModernTV | RIPE | 7 | 3 | Active |
| AS207242 | NOEL | RIPE | 5 | 5 | Active |
| AS48298 | GOVCZ | RIPE | 9 | 1 | Active |
| AS198167 | AppToCloud | RIPE | 9 | 1 | Active |
| AS200070 | CZNIC-AS2 | RIPE | 5 | 5 | Active |
| AS202682 | geetoo-cz | RIPE | 8 | 2 | Active |
| AS15425 | COMA | RIPE | 8 | 1 | Active |
| AS29583 | UNIENT-AS | RIPE | 9 | 0 | Active |
| AS28725 | CETIN-AS | RIPE | 7 | 2 | Active |
| AS25424 | INEXT-CZ | RIPE | 7 | 2 | Active |
| AS207187 | TKRJASEK | RIPE | 6 | 3 | Active |
| AS43070 | JAW-AS | RIPE | 6 | 3 | Active |
| AS197206 | EU1-BUSINESSCOM | RIPE | 8 | 1 | Active |
| AS52029 | ASNOVOSEDLY | RIPE | 9 | 0 | Active |
| AS28972 | MSOFT-AS | RIPE | 6 | 2 | Active |
| AS25234 | ACTIVE24-AS | RIPE | 5 | 3 | Active |
| AS20723 | MGI | RIPE | 7 | 1 | Active |
| AS210712 | GRAPESC-ISP | RIPE | 7 | 1 | Active |
| AS39761 | ABAK | RIPE | 6 | 2 | Active |
| AS39790 | WEB4U | RIPE | 5 | 3 | Active |
| AS57707 | GREENDATA | RIPE | 6 | 2 | Active |
| AS57728 | CEZNET-AS | RIPE | 5 | 3 | Active |
| AS30738 | NETART-AS | RIPE | 6 | 2 | Active |
| AS50398 | FASTCOMMUNICATIONS | RIPE | 7 | 1 | Active |
| AS49025 | PROZETA-NET | RIPE | 7 | 1 | Active |
| AS60606 | Blindspot | RIPE | 6 | 2 | Active |
| AS50338 | GAMERHOST | RIPE | 7 | 1 | Active |
| AS12767 | PRAGONET-AS | RIPE | 6 | 2 | Active |
| AS63113 | GLOBECORP-NETWORKS | RIPE | 8 | 0 | Active |
| AS204949 | CMIS | RIPE | 7 | 0 | Active |
| AS202877 | vejnet | RIPE | 6 | 1 | Active |
| AS207167 | amccomp-master-brno | RIPE | 5 | 2 | Active |
| AS207095 | SK-FORTUNA-GAME | RIPE | 7 | 0 | Active |
| AS8251 | NFX_ZSPO | RIPE | 6 | 1 | Active |
| AS25248 | BlueTone-AS | RIPE | 5 | 2 | Active |
| AS209135 | FlowmonNetworks | RIPE | 3 | 4 | Active |
| AS211274 | QCZ | RIPE | 1 | 6 | Active |
| AS209369 | TCPRO | RIPE | 5 | 2 | Active |
| AS198346 | NETFORMS-AS | RIPE | 4 | 3 | Active |
| AS209810 | NETCORESERVICES | RIPE | 6 | 1 | Active |
| AS215704 | NGN-CZ | RIPE | 6 | 1 | Active |
| AS15614 | Dragon | RIPE | 6 | 1 | Active |
| AS41030 | ASNOVOTNYCZ | RIPE | 7 | 0 | Active |
| AS31246 | NETBOX-AS | RIPE | 5 | 2 | Active |
| AS60266 | EMBEDIT-AS | RIPE | 2 | 5 | Active |
| AS49985 | IP4ISP | RIPE | 6 | 1 | Active |
| AS48926 | PE3NY-AS | RIPE | 6 | 1 | Active |
| AS35613 | NETDATACOMM | RIPE | 5 | 1 | Active |
| AS50784 | intraweb | RIPE | 5 | 1 | Active |
| AS205535 | WINDYGHOUL | RIPE | 3 | 3 | Active |
| AS51134 | INTACTO-AS | RIPE | 4 | 2 | Active |
| AS210631 | SafeDX | RIPE | 3 | 3 | Active |
| AS59871 | HEUREKA_GROUP | RIPE | 1 | 5 | Active |
| AS207886 | ECOMPEU-CZ | RIPE | 4 | 2 | Active |
| AS29321 | CentroNetAS | RIPE | 5 | 1 | Active |
| AS197019 | WEDOS | RIPE | 4 | 2 | Active |
| AS51424 | ASAGNET | RIPE | 6 | 0 | Active |
| AS197013 | SPRINTEL-SRO | RIPE | 5 | 1 | Active |
| AS206712 | FeldHost-AS | RIPE | 3 | 3 | Active |
| AS6881 | NIXCZ | RIPE | 3 | 3 | Active |
| AS47269 | HLUCIN-NET-AS | RIPE | 5 | 1 | Active |
| AS48960 | MORAVANET | RIPE | 5 | 1 | Active |
| AS205619 | ASVESNET | RIPE | 5 | 1 | Active |
| AS39791 | TPS-AS | RIPE | 3 | 3 | Active |
| AS29086 | GITY-AS | RIPE | 5 | 1 | Active |
| AS206548 | TLAP-ZCOM | RIPE | 5 | 1 | Active |
| AS203376 | MAILKIT | RIPE | 3 | 3 | Active |
| AS9080 | GIN | RIPE | 5 | 1 | Active |
| AS42000 | KAORA | RIPE | 5 | 1 | Active |
| AS50825 | UVT | RIPE | 5 | 1 | Active |
| AS204064 | CEZNET-AS | RIPE | 5 | 1 | Active |
| AS203165 | SPCSS | RIPE | 3 | 3 | Active |
| AS47110 | CLOUD4COM-AS | RIPE | 5 | 1 | Active |
| AS58239 | ASHANSPAULCITY | RIPE | 4 | 1 | Active |
| AS216450 | prgaero | RIPE | 5 | 0 | Active |
| AS203208 | CTU_AS4_2 | RIPE | 2 | 3 | Active |
| AS209671 | QRATOR-SW | RIPE | 3 | 2 | Active |
| AS203385 | asczpernix | RIPE | 3 | 2 | Active |
| AS61110 | SITMP | RIPE | 2 | 3 | Active |
| AS35096 | ALEFNULA | RIPE | 4 | 1 | Active |
| AS203488 | DALUNET | RIPE | 4 | 1 | Active |
| AS208093 | msk | RIPE | 5 | 0 | Active |
| AS197444 | COMFEEL | RIPE | 3 | 2 | Active |
| AS197296 | UNITED_NETWORKS_SE | RIPE | 4 | 1 | Active |
| AS47749 | ORIFLAME-AS | RIPE | 4 | 1 | Active |
| AS34049 | WOSACZ-AS | RIPE | 4 | 1 | Active |
| AS197879 | HELAPC | RIPE | 3 | 2 | Active |
| AS48091 | ROWANet-AS | RIPE | 3 | 2 | Active |
| AS209055 | AS_WAG | RIPE | 4 | 1 | Active |
| AS196653 | ASBESTNETCZ | RIPE | 2 | 3 | Active |
| AS204080 | MEG-AS | RIPE | 5 | 0 | Active |
| AS56344 | ASVIRIDIUM | RIPE | 4 | 1 | Active |
| AS62099 | JMNET | ARIN | 4 | 1 | Active |
| AS51449 | KTUO-AS | RIPE | 4 | 1 | Active |
| AS34040 | CZTTNET-AS | RIPE | 4 | 1 | Active |
| AS25238 | MONETA-CZ | RIPE | 4 | 1 | Active |
| AS34080 | MIRAMO-AS | RIPE | 4 | 1 | Active |
| AS42189 | EUROSIGNAL-AS | RIPE | 4 | 1 | Active |
| AS50067 | cesal | RIPE | 4 | 1 | Active |
| AS59970 | AMIGONET | RIPE | 3 | 2 | Active |
| AS59959 | SFERIA | RIPE | 4 | 1 | Active |
| AS47114 | ZLINNET | RIPE | 4 | 1 | Active |
| AS35046 | OMEGAPLUS-AS | RIPE | 3 | 2 | Active |
| AS48602 | CONNECTPLUS | RIPE | 4 | 1 | Active |
| AS34911 | ASELDATA | RIPE | 5 | 0 | Active |
| AS197277 | SUKL_AS | RIPE | 3 | 1 | Active |
| AS6740 | INEXT-CZ-ADA | RIPE | 4 | 0 | Active |
| AS9053 | VSHOSTING-CDN | RIPE | 1 | 3 | Active |
| AS20701 | CZNIC-AS3 | RIPE | 2 | 2 | Active |
| AS20708 | SKODA-AUTO | RIPE | 3 | 1 | Active |
| AS39736 | ICTSUPPORT | RIPE | 3 | 1 | Active |
| AS39904 | MERIT-AS | RIPE | 3 | 1 | Active |
| AS40964 | ASTELNET | RIPE | 4 | 0 | Active |
| AS41088 | CZNSYS | RIPE | 2 | 2 | Active |
| AS44424 | AS44424 | RIPE | 4 | 0 | Active |
| AS48131 | IXOXI | RIPE | 2 | 2 | Active |
| AS49101 | KTCT-ASN | RIPE | 2 | 2 | Active |
| AS51586 | SERVERZONECZ | RIPE | 2 | 2 | Active |
| AS52115 | JARONET-AS | RIPE | 2 | 2 | Active |
| AS33883 | TRIONET-CZ-AS | RIPE | 3 | 1 | Active |
| AS34475 | Agrostroj | RIPE | 4 | 0 | Active |
| AS34596 | HVfree | RIPE | 3 | 1 | Active |
| AS41453 | TRESTEL-CZ-ASN | RIPE | 2 | 2 | Active |
| AS57188 | RNET-AS | RIPE | 3 | 1 | Active |
| AS57279 | SAURONNET | RIPE | 3 | 1 | Active |
| AS59479 | ASGEMNET | RIPE | 3 | 1 | Active |
| AS51661 | ALLSTARNET | RIPE | 4 | 0 | Active |
| AS62102 | ISE-AS | ARIN | 3 | 1 | Active |
| AS57825 | MoravanyNET-AS | RIPE | 3 | 1 | Active |
| AS196952 | ASBEZVANET | RIPE | 2 | 2 | Active |
| AS197307 | bnet-internet_cz | RIPE | 3 | 1 | Active |
| AS198143 | CESKAPOSTA-AS | RIPE | 3 | 1 | Active |
| AS198813 | SychrovNET | RIPE | 3 | 1 | Active |
| AS201608 | HovNet-AS | RIPE | 3 | 1 | Active |
| AS203411 | FORTUNA-GAME-PUB | RIPE | 4 | 0 | Active |
| AS204007 | Kleissner | RIPE | 3 | 1 | Active |
| AS204165 | CZNETSRO-AS | RIPE | 2 | 2 | Active |
| AS204332 | TKCSystem | RIPE | 3 | 1 | Active |
| AS204351 | NAM | RIPE | 4 | 0 | Active |
| AS198494 | PREGIS | RIPE | 2 | 2 | Active |
| AS199657 | TOUSKOVNET | RIPE | 4 | 0 | Active |
| AS199711 | NCISA-AS | RIPE | 2 | 2 | Active |
| AS201447 | AS_CNB | RIPE | 4 | 0 | Active |
| AS206613 | TIPSPORT-NET-AS | RIPE | 3 | 1 | Active |
| AS207198 | KTKCZ | RIPE | 3 | 1 | Active |
| AS207945 | CNI | RIPE | 3 | 1 | Active |
| AS205234 | bkom | RIPE | 4 | 0 | Active |
| AS206414 | techcenter_cz | RIPE | 4 | 0 | Active |
| AS206420 | KabelServis | RIPE | 2 | 2 | Active |
| AS206587 | daktela-cz | RIPE | 4 | 0 | Active |
| AS210139 | DPT | RIPE | 2 | 2 | Active |
| AS208060 | DRMAX-BDC | RIPE | 3 | 1 | Active |
| AS210915 | DOMINIKPASTO | RIPE | 1 | 3 | Active |
| AS211248 | cz_artemis4 | RIPE | 3 | 1 | Active |
| AS211731 | MPSV-AS-CZ | RIPE | 2 | 2 | Active |
| AS212234 | SMEJKALOVA | RIPE | 0 | 4 | Active |
| AS212315 | FTCZ-NET | RIPE | 3 | 1 | Active |
| AS212975 | TEAMCITY-AS | RIPE | 3 | 1 | Active |
| AS214945 | MZVCR | RIPE | 1 | 3 | Active |
| AS215588 | notino-asn | RIPE | 2 | 2 | Active |
| AS34222 | ZONER-AS | RIPE | 2 | 1 | Active |
| AS205400 | Vivoconnection | RIPE | 2 | 1 | Active |
| AS61296 | TechCom-AS | RIPE | 2 | 1 | Active |
| AS47317 | WEB4CE | RIPE | 2 | 1 | Active |
| AS198103 | CCS-CZ | RIPE | 3 | 0 | Active |
| AS215308 | DIMCZNET | RIPE | 2 | 1 | Active |
| AS208790 | Stepan-Duda | RIPE | 0 | 3 | Active |
| AS198248 | ASCSERVIS | RIPE | 2 | 1 | Active |
| AS56973 | VITSOL | RIPE | 2 | 1 | Active |
| AS198284 | ASBYSTRICE | RIPE | 2 | 1 | Active |
| AS47131 | PH | RIPE | 3 | 0 | Active |
| AS198725 | ULTIMUM-AS | RIPE | 2 | 1 | Active |
| AS28905 | BECOLINK-AS | RIPE | 3 | 0 | Active |
| AS52130 | ARTCOMPANYCZ | RIPE | 2 | 1 | Active |
| AS198977 | UNART | RIPE | 2 | 1 | Active |
| AS203018 | Pamico | RIPE | 2 | 1 | Active |
| AS31349 | a-net | RIPE | 2 | 1 | Active |
| AS199220 | KRS-AS-CZ | RIPE | 2 | 1 | Active |
| AS59984 | KLFREE-NETWORKS | RIPE | 2 | 1 | Active |
| AS56821 | knvnet1-as | RIPE | 1 | 2 | Active |
| AS213057 | innogycz | RIPE | 3 | 0 | Active |
| AS62159 | ASHAPPY | ARIN | 3 | 0 | Active |
| AS202872 | KMENET | RIPE | 2 | 1 | Active |
| AS199803 | ComSource | RIPE | 2 | 1 | Active |
| AS41670 | HKFREE-AS | RIPE | 2 | 1 | Active |
| AS206785 | BRNO | RIPE | 2 | 1 | Active |
| AS200114 | PROCOM | RIPE | 3 | 0 | Active |
| AS52154 | ASMJANIK | RIPE | 3 | 0 | Active |
| AS57560 | ASXLNET | RIPE | 2 | 1 | Active |
| AS201265 | ANAFRA-AS | RIPE | 2 | 1 | Active |
| AS200844 | SA-AS | RIPE | 2 | 1 | Active |
| AS49095 | P12com | RIPE | 2 | 1 | Active |
| AS57472 | JRNET | RIPE | 2 | 1 | Active |
| AS39817 | OVANET | RIPE | 2 | 1 | Active |
| AS57496 | PRAHA1NET-AS | RIPE | 1 | 2 | Active |
| AS201163 | KB-AS-CZ | RIPE | 3 | 0 | Active |
| AS43413 | ASNEW | RIPE | 2 | 1 | Active |
| AS56450 | ALBERON_AS | RIPE | 2 | 1 | Active |
| AS216339 | Mald-Entertainment-Studio | RIPE | 0 | 3 | Active |
| AS213152 | NBU | RIPE | 2 | 1 | Active |
| AS204907 | AS204907 | RIPE | 3 | 0 | Active |
| AS52176 | TTC-CZ | RIPE | 2 | 1 | Active |
| AS201648 | PLZ-AS-CZ | RIPE | 2 | 1 | Active |
| AS201654 | CEZNET-AS | RIPE | 2 | 1 | Active |
| AS201727 | AS_BUBAKOV | RIPE | 2 | 1 | Active |
| AS44712 | eHAMnet-AS | RIPE | 2 | 1 | Active |
| AS201922 | amccomp-turany | RIPE | 1 | 2 | Active |
| AS201931 | LBNET | RIPE | 2 | 1 | Active |
| AS62083 | FIO-BANKA-AS | ARIN | 2 | 1 | Active |
| AS198627 | SHOPTET | RIPE | 2 | 1 | Active |
| AS198161 | CZ-SUAS | RIPE | 2 | 1 | Active |
| AS210958 | FASTPORT | RIPE | 2 | 1 | Active |
| AS211774 | IGN | RIPE | 2 | 1 | Active |
| AS43614 | ECONOMIA-CZ | RIPE | 2 | 1 | Active |
| AS196735 | AS-JONCZ | RIPE | 2 | 1 | Active |
| AS202618 | rychlydrat | RIPE | 2 | 1 | Active |
| AS211085 | amccomp-master-praha | RIPE | 1 | 2 | Active |
| AS20609 | kazaczsro | RIPE | 2 | 1 | Active |
| AS44500 | vlasimnet | RIPE | 2 | 1 | Active |
| AS197694 | MEPNET-AS | RIPE | 3 | 0 | Active |
| AS57294 | Internet_Expert_CZ | RIPE | 2 | 1 | Active |
| AS197393 | ASRUDOLFNET | RIPE | 2 | 1 | Active |
| AS202948 | PL-FORTUNA-GAME-DC | RIPE | 3 | 0 | Active |
| AS196843 | KHNET | RIPE | 2 | 1 | Active |
| AS209795 | SPC-net | RIPE | 2 | 1 | Active |
| AS43757 | ICZAS-CZ | RIPE | 2 | 1 | Active |
| AS196861 | DIGIACT-AS | RIPE | 2 | 1 | Active |
| AS206703 | BOXNET | RIPE | 2 | 1 | Active |
| AS44070 | MCnet-AS | RIPE | 2 | 1 | Active |
| AS44065 | NETAIR-AS | RIPE | 2 | 1 | Active |
| AS49767 | INTERNETPB-AS | RIPE | 2 | 1 | Active |
| AS213223 | gasnet | RIPE | 3 | 0 | Active |
| AS48364 | ACVYSKOV-AS | RIPE | 2 | 1 | Active |
| AS48661 | AIRWAYNET | RIPE | 2 | 1 | Active |
| AS197029 | LAM-AS | RIPE | 2 | 1 | Active |
| AS197046 | AS_FIXNET | RIPE | 2 | 1 | Active |
| AS206429 | Corsat | RIPE | 2 | 1 | Active |
| AS50301 | ASN-BRAZDIMNET | RIPE | 2 | 1 | Active |
| AS52092 | ALFSERVIS-AS | RIPE | 2 | 1 | Active |
| AS47868 | SUPRO-AS | RIPE | 2 | 1 | Active |
| AS57077 | AB-NET | RIPE | 2 | 1 | Active |
| AS197353 | INGMS_CZ | RIPE | 3 | 0 | Active |
| AS50695 | VLP-AS | RIPE | 2 | 1 | Active |
| AS197412 | ASBESKYDNET | RIPE | 3 | 0 | Active |
| AS215711 | MZE | RIPE | 2 | 1 | Active |
| AS48574 | ASN-CZ-PLANET-A-48574 | RIPE | 3 | 0 | Active |
| AS21241 | MUZO-AS | RIPE | 3 | 0 | Active |
| AS208962 | nextremum | RIPE | 3 | 0 | Active |
| AS208950 | ASEZPADASRO | RIPE | 3 | 0 | Active |
| AS197798 | NET-CONNECT | RIPE | 2 | 1 | Active |
| AS210498 | Vysocina-hSOC | RIPE | 1 | 1 | Active |
| AS51800 | FIBERNET-ASN | RIPE | 1 | 1 | Active |
| AS58220 | PEGASNET | RIPE | 1 | 1 | Active |
| AS51744 | ASJABLONKA | RIPE | 1 | 1 | Active |
| AS47767 | RCO-AS | RIPE | 1 | 1 | Active |
| AS212876 | CZ-PARDUBICKYKRAJ | RIPE | 1 | 1 | Active |
| AS51400 | ASSPOJENET | RIPE | 1 | 1 | Active |
| AS49013 | Fusion_Media | RIPE | 2 | 0 | Active |
| AS51382 | COMANET-NETWORK | RIPE | 1 | 1 | Active |
| AS49244 | SCANCOM | RIPE | 1 | 1 | Active |
| AS51278 | IGNUM-ANYCAST-AS | RIPE | 1 | 1 | Active |
| AS59925 | GIGASERVER | RIPE | 1 | 1 | Active |
| AS50980 | net3 | RIPE | 2 | 0 | Active |
| AS60218 | ASIT8 | RIPE | 1 | 1 | Active |
| AS60584 | PRIME-AS | RIPE | 1 | 1 | Active |
| AS60585 | SITEL-VSAT-ASN | RIPE | 1 | 1 | Active |
| AS50971 | JHCOMP-AS | RIPE | 1 | 1 | Active |
| AS50163 | altnet-skvelynet | RIPE | 1 | 1 | Active |
| AS49890 | ADA-NET-AS | RIPE | 1 | 1 | Active |
| AS51210 | KRAXNET-AS | RIPE | 1 | 1 | Active |
| AS49580 | MONETPLUS-AS | RIPE | 2 | 0 | Active |
| AS215602 | sikmo | RIPE | 2 | 0 | Active |
| AS52058 | petrkovice_net | RIPE | 2 | 0 | Active |
| AS62011 | ASUNHFREE | ARIN | 2 | 0 | Active |
| AS49573 | ASJIMMY | RIPE | 1 | 1 | Active |
| AS49262 | ATCCZ1 | RIPE | 1 | 1 | Active |
| AS62298 | CSC | ARIN | 1 | 1 | Active |
| AS62405 | Brouzdal | ARIN | 1 | 1 | Active |
| AS56624 | ASRTYNENET | RIPE | 2 | 0 | Active |
| AS56717 | RESAL-AS | RIPE | 1 | 1 | Active |
| AS57007 | ASNITEX | RIPE | 1 | 1 | Active |
| AS57823 | ASKKNET | RIPE | 1 | 1 | Active |
| AS60086 | VALVERA | RIPE | 1 | 1 | Active |
| AS196822 | SELECTSYSTEM-AS | RIPE | 1 | 1 | Active |
| AS196943 | ASVISSADO | RIPE | 1 | 1 | Active |
| AS197197 | M-NET | RIPE | 1 | 1 | Active |
| AS48451 | PRE-AS | RIPE | 1 | 1 | Active |
| AS47727 | WARNETCZ-AS | RIPE | 1 | 1 | Active |
| AS213359 | MAZEL_BIZ_AS | RIPE | 1 | 1 | Active |
| AS47493 | WMS-AS | RIPE | 1 | 1 | Active |
| AS197846 | SAOCOMP-AS | RIPE | 2 | 0 | Active |
| AS197920 | SKODA-ICT | RIPE | 2 | 0 | Active |
| AS198121 | DNS4EU | RIPE | 1 | 1 | Active |
| AS198282 | cablenet | RIPE | 1 | 1 | Active |
| AS198814 | ASALPHASTYLSOFT | RIPE | 1 | 1 | Active |
| AS199298 | GIGANETcz | RIPE | 1 | 1 | Active |
| AS199405 | OSLAVANY-NET-AS | RIPE | 1 | 1 | Active |
| AS199600 | Virtis | RIPE | 1 | 1 | Active |
| AS199604 | KU-AS | RIPE | 1 | 1 | Active |
| AS199806 | DCIT-AS-CZ | RIPE | 1 | 1 | Active |
| AS200474 | CRFreeNet | RIPE | 1 | 1 | Active |
| AS200635 | INTERCONNECT | RIPE | 1 | 1 | Active |
| AS200828 | THOSTING-AS | RIPE | 1 | 1 | Active |
| AS200806 | bee | RIPE | 2 | 0 | Active |
| AS200874 | LBC-AS-CZ | RIPE | 1 | 1 | Active |
| AS44984 | Fortion | RIPE | 1 | 1 | Active |
| AS44770 | SAVVY-AS | RIPE | 1 | 1 | Active |
| AS201594 | CTU_AS4 | RIPE | 1 | 1 | Active |
| AS201625 | UNITED_NETWORKS_SE | RIPE | 1 | 1 | Active |
| AS201934 | SATAN-NET | RIPE | 2 | 0 | Active |
| AS202237 | WICNET-AS | RIPE | 1 | 1 | Active |
| AS202551 | INERA | RIPE | 1 | 1 | Active |
| AS202605 | MORNet-CZ | RIPE | 1 | 1 | Active |
| AS202643 | NETSERV-AS | RIPE | 1 | 1 | Active |
| AS202657 | Hnojnik | RIPE | 1 | 1 | Active |
| AS202774 | comtex | RIPE | 1 | 1 | Active |
| AS202979 | ngaservices | RIPE | 1 | 1 | Active |
| AS202996 | Helkor | RIPE | 1 | 1 | Active |
| AS203299 | IHNET | RIPE | 1 | 1 | Active |
| AS203365 | OPTETNETWORK | RIPE | 1 | 1 | Active |
| AS203550 | I2NET | RIPE | 1 | 1 | Active |
| AS196916 | BUSINESSCOM-AS | RIPE | 2 | 0 | Active |
| AS214032 | BUDOVIT | RIPE | 1 | 1 | Active |
| AS43866 | ALTRON | RIPE | 2 | 0 | Active |
| AS8913 | IPNet | RIPE | 1 | 1 | Active |
| AS197895 | ONYX-AS | RIPE | 1 | 1 | Active |
| AS198002 | CEZNET-AS | RIPE | 1 | 1 | Active |
| AS198031 | TRUSTICA-AS | RIPE | 1 | 1 | Active |
| AS43542 | OptoNet-AS | RIPE | 1 | 1 | Active |
| AS198171 | WebglobeRS | RIPE | 1 | 1 | Active |
| AS198500 | MUNINET-AS | RIPE | 1 | 1 | Active |
| AS198519 | RBcz | RIPE | 2 | 0 | Active |
| AS204772 | RSD-CZ | RIPE | 1 | 1 | Active |
| AS43507 | RETE-AS | RIPE | 2 | 0 | Active |
| AS204886 | metro-hu | RIPE | 1 | 1 | Active |
| AS205002 | AS_IWAO | RIPE | 1 | 1 | Active |
| AS205044 | MOSES | RIPE | 1 | 1 | Active |
| AS199350 | mfcr | RIPE | 1 | 1 | Active |
| AS205345 | HORALNET | RIPE | 1 | 1 | Active |
| AS199490 | INTERCONNECT | RIPE | 1 | 1 | Active |
| AS199665 | RADIOLINKplus1-NETWORK | RIPE | 1 | 1 | Active |
| AS42726 | BUSINESSCOM | RIPE | 2 | 0 | Active |
| AS205863 | POKORNY | RIPE | 2 | 0 | Active |
| AS205910 | ASNEW | RIPE | 2 | 0 | Active |
| AS200600 | SEZNAM-CZ-DC | RIPE | 1 | 1 | Active |
| AS200871 | rockawayx-eu | RIPE | 2 | 0 | Active |
| AS206159 | cz-fresh | RIPE | 1 | 1 | Active |
| AS206177 | sitepark | RIPE | 1 | 1 | Active |
| AS206234 | RO-FORTUNA-GAME | RIPE | 2 | 0 | Active |
| AS201116 | VybezekNET | RIPE | 1 | 1 | Active |
| AS201263 | AS-BRIX-CDN | RIPE | 1 | 1 | Active |
| AS41779 | LAJSINET | RIPE | 1 | 1 | Active |
| AS215353 | AtropolNetwork | RIPE | 2 | 0 | Active |
| AS206468 | TREBORADICENET-AS | RIPE | 1 | 1 | Active |
| AS201548 | Milan_Zelenka | RIPE | 2 | 0 | Active |
| AS201559 | UNITED_NETWORKS_SE | RIPE | 1 | 1 | Active |
| AS206784 | Josefov | RIPE | 1 | 1 | Active |
| AS206951 | BMBGreen | RIPE | 1 | 1 | Active |
| AS207015 | POSITION | RIPE | 1 | 1 | Active |
| AS39896 | XHOSTING | RIPE | 1 | 1 | Active |
| AS202719 | PRANET | RIPE | 1 | 1 | Active |
| AS207231 | FuturNET-AS | RIPE | 1 | 1 | Active |
| AS207272 | Spicy-Telecommunications | RIPE | 0 | 2 | Active |
| AS202874 | ZL-AS-CZ | RIPE | 1 | 1 | Active |
| AS29504 | LBCFREE | RIPE | 1 | 1 | Active |
| AS203328 | PVfreenet | RIPE | 1 | 1 | Active |
| AS28892 | CUZK-NET | RIPE | 1 | 1 | Active |
| AS207696 | DPP-AS | RIPE | 1 | 1 | Active |
| AS25093 | CSAS-CZ | RIPE | 2 | 0 | Active |
| AS207850 | UstiNET-AS | RIPE | 2 | 0 | Active |
| AS208143 | amccomp-unin | RIPE | 1 | 1 | Active |
| AS204372 | PPFBANKA | RIPE | 2 | 0 | Active |
| AS204394 | CORTEX | RIPE | 1 | 1 | Active |
| AS204409 | cz-Prestonet | RIPE | 1 | 1 | Active |
| AS208329 | Ceska_televize | RIPE | 2 | 0 | Active |
| AS201348 | sizeknet | RIPE | 1 | 1 | Active |
| AS204668 | ASTANACZ | RIPE | 1 | 1 | Active |
| AS208422 | INFINITY-AS | RIPE | 1 | 1 | Active |
| AS204943 | NTVcable | RIPE | 1 | 1 | Active |
| AS208648 | pghub | RIPE | 2 | 0 | Active |
| AS208659 | innc | RIPE | 1 | 1 | Active |
| AS208663 | MTU-NET | RIPE | 1 | 1 | Active |
| AS197963 | BLAZEHOST | RIPE | 1 | 1 | Active |
| AS208906 | SYNOT-CZ | RIPE | 1 | 1 | Active |
| AS205968 | ASGENERALNET | RIPE | 1 | 1 | Active |
| AS20643 | CZ-PILSFREESERVIS-AS | RIPE | 1 | 1 | Active |
| AS209834 | brnonet | RIPE | 1 | 1 | Active |
| AS209947 | mwifi | RIPE | 1 | 1 | Active |
| AS207451 | PEARHOST-AS | RIPE | 1 | 1 | Active |
| AS210111 | netcraftsolutions | RIPE | 1 | 1 | Active |
| AS210604 | asczpernix-neza | RIPE | 2 | 0 | Active |
| AS15380 | ANSCZ | RIPE | 1 | 1 | Active |
| AS208712 | CENDIS | RIPE | 1 | 1 | Active |
| AS209621 | dobnet | RIPE | 1 | 1 | Active |
| AS211594 | PEERNET | RIPE | 1 | 1 | Active |
| AS209719 | CZ-MOD | RIPE | 1 | 1 | Active |
| AS211693 | NolimitNET | RIPE | 2 | 0 | Active |
| AS211700 | DEXUS | RIPE | 1 | 1 | Active |
| AS210367 | KZCR | RIPE | 1 | 1 | Active |
| AS51968 | NEOS-AS | RIPE | 2 | 0 | Active |
| AS13199 | DOUBRAVA-NET | RIPE | 1 | 1 | Active |
| AS12984 | PILSFREE | RIPE | 1 | 1 | Active |
| AS212138 | AS_TSB | RIPE | 2 | 0 | Active |
| AS12344 | CZECHITC | RIPE | 1 | 1 | Active |
| AS212224 | Traveliana | RIPE | 1 | 1 | Active |
| AS38952 | MAFRA-CZ-AS | RIPE | 2 | 0 | Active |
| AS39050 | NETSERVICE-AS | RIPE | 1 | 1 | Active |
| AS212362 | TREFCON-NET | RIPE | 1 | 1 | Active |
| AS50415 | Ahosting | RIPE | 1 | 1 | Active |
| AS50348 | KVADOS | RIPE | 1 | 1 | Active |
| AS34819 | h17 | RIPE | 1 | 1 | Active |
| AS34487 | southpraguenet | RIPE | 1 | 1 | Active |
| AS33943 | CBEZDRAT-AS | RIPE | 1 | 1 | Active |
| AS56360 | MSTR-AS | RIPE | 1 | 1 | Active |
| AS56456 | C2NET | RIPE | 1 | 1 | Active |
| AS57081 | SCARFBOT | RIPE | 1 | 1 | Active |
| AS212453 | HR-FORTUNA-GAME-DC | RIPE | 2 | 0 | Active |
| AS212859 | KronosNet | RIPE | 1 | 1 | Active |
| AS57287 | OTAVANET-AS | RIPE | 1 | 1 | Active |
| AS57288 | ASSTAMPI | RIPE | 1 | 1 | Active |
| AS51025 | CONNECT-TST-AS | RIPE | 1 | 0 | Active |
| AS196684 | VITALATIV-CZ-AS | RIPE | 1 | 0 | Active |
| AS25321 | G4S-NET | RIPE | 1 | 0 | Active |
| AS57904 | ASVEVYNET | RIPE | 1 | 0 | Active |
| AS216006 | BLAZEHOST-CZ | RIPE | 1 | 0 | Active |
| AS8646 | cloudinfrastack | RIPE | 1 | 0 | Active |
| AS211816 | ASERONX | RIPE | 1 | 0 | Active |
| AS51524 | ASNETDELUXE | RIPE | 1 | 0 | Active |
| AS204113 | CSIS | RIPE | 1 | 0 | Active |
| AS56353 | FIRSTLINE-AS | RIPE | 1 | 0 | Active |
| AS47949 | GSNETCZ | RIPE | 1 | 0 | Active |
| AS56427 | ASHRADIL | RIPE | 1 | 0 | Active |
| AS48889 | GLOBECORP-AS-CZ | RIPE | 1 | 0 | Active |
| AS59747 | NIX-DR | RIPE | 0 | 1 | Active |
| AS51727 | SKODAPOWER-AS | RIPE | 1 | 0 | Active |
| AS208466 | egdsro | RIPE | 1 | 0 | Active |
| AS52095 | NETASSIST-Greece | RIPE | 0 | 1 | Active |
| AS202857 | CZ-AS | RIPE | 1 | 0 | Active |
| AS216021 | STEVIJO-AS | RIPE | 0 | 1 | Active |
| AS61425 | MLADAFRONTA | RIPE | 1 | 0 | Active |
| AS212325 | ADCSYSTEMS | RIPE | 1 | 0 | Active |
| AS215676 | GOODHOST | RIPE | 0 | 1 | Active |
| AS213387 | TESUNET | RIPE | 1 | 0 | Active |
| AS213813 | MASON-CZ-AS | RIPE | 0 | 1 | Active |
| AS208805 | SpolNet | RIPE | 1 | 0 | Active |
| AS208816 | AS208816 | RIPE | 0 | 1 | Active |
| AS208847 | ASfryzl | RIPE | 1 | 0 | Active |
| AS197875 | UNIPETROLRPA | RIPE | 1 | 0 | Active |
| AS44104 | LCJ-AS | RIPE | 1 | 0 | Active |
| AS44430 | MaRcom-Eko-AS | RIPE | 1 | 0 | Active |
| AS214224 | CESKASITNET | RIPE | 1 | 0 | Active |
| AS204172 | TTCINFRA-CZ | RIPE | 1 | 0 | Active |
| AS214703 | FAKAHEDA-AS | RIPE | 1 | 0 | Active |
| AS52084 | ATLELEKTROCZ | RIPE | 1 | 0 | Active |
| AS204405 | DurnetCZ | RIPE | 0 | 1 | Active |
| AS202733 | OKCOMP | RIPE | 0 | 1 | Active |
| AS202556 | ASKRIVONET | RIPE | 1 | 0 | Active |
| AS49142 | HBO | RIPE | 1 | 0 | Active |
| AS204543 | FHRNET | RIPE | 0 | 1 | Active |
| AS204567 | ASPCKBnet | RIPE | 1 | 0 | Active |
| AS204570 | hornackynet | RIPE | 1 | 0 | Active |
| AS197565 | ASDIGISERVICE | RIPE | 1 | 0 | Active |
| AS197550 | ASINET4YOU | RIPE | 1 | 0 | Active |
| AS202131 | Wave-net | RIPE | 1 | 0 | Active |
| AS197566 | ASOKNET | RIPE | 1 | 0 | Active |
| AS59664 | ASOPTON | RIPE | 1 | 0 | Active |
| AS214886 | ASGREENHOSTING | RIPE | 1 | 0 | Active |
| AS51463 | ASFAJNCOMCZ | RIPE | 1 | 0 | Active |
| AS197542 | COMUNITED | RIPE | 1 | 0 | Active |
| AS43523 | DESIGN-AS | RIPE | 1 | 0 | Active |
| AS202073 | ABS-ACLOUD-CLIENTS1 | RIPE | 1 | 0 | Active |
| AS198668 | Tlapnet | RIPE | 1 | 0 | Active |
| AS8882 | AS8882 | RIPE | 0 | 1 | Active |
| AS47681 | RIOMEDIA | RIPE | 1 | 0 | Active |
| AS197083 | K2ATMITEC | RIPE | 1 | 0 | Active |
| AS213559 | asmybv1 | RIPE | 0 | 1 | Active |
| AS204917 | MiJa-AS | RIPE | 1 | 0 | Active |
| AS21082 | AS-CZVP | RIPE | 1 | 0 | Active |
| AS205026 | WVG-CLOUD-AS | RIPE | 1 | 0 | Active |
| AS21045 | QnetCZ | RIPE | 1 | 0 | Active |
| AS205064 | rockawayx-uae | RIPE | 1 | 0 | Active |
| AS215718 | IBAGroup | RIPE | 1 | 0 | Active |
| AS205300 | ASSUNFOX | RIPE | 1 | 0 | Active |
| AS209431 | Pharocom | RIPE | 0 | 1 | Active |
| AS196873 | NETLANCERS-AS | RIPE | 1 | 0 | Active |
| AS201533 | UNITED_NETWORKS_SE | RIPE | 1 | 0 | Active |
| AS56827 | ASMIRNETCZ | RIPE | 1 | 0 | Active |
| AS215260 | EmeraldG-Net | RIPE | 1 | 0 | Active |
| AS201464 | ok-net | RIPE | 1 | 0 | Active |
| AS205724 | TSB-AS | RIPE | 1 | 0 | Active |
| AS196849 | ASBARTYSOVA | RIPE | 1 | 0 | Active |
| AS196815 | LANSERVIS-AS | RIPE | 1 | 0 | Active |
| AS60724 | SICUROCZ | RIPE | 1 | 0 | Active |
| AS50097 | IPVOIP-AS | RIPE | 1 | 0 | Active |
| AS205947 | NDC-ICT-SOLUTIONS | RIPE | 1 | 0 | Active |
| AS205982 | ASmraknet | RIPE | 1 | 0 | Active |
| AS200678 | Arenis | RIPE | 1 | 0 | Active |
| AS50975 | AVX_AS | RIPE | 1 | 0 | Active |
| AS210061 | VinariceNET | RIPE | 1 | 0 | Active |
| AS60529 | PRASLAVICENET | RIPE | 1 | 0 | Active |
| AS215777 | CINCURA | RIPE | 0 | 1 | Active |
| AS200985 | BOKNET | RIPE | 0 | 1 | Active |
| AS210436 | ASITGLOBE | RIPE | 0 | 1 | Active |
| AS206287 | LYSAFREE-NET | RIPE | 1 | 0 | Active |
| AS206321 | startech | RIPE | 0 | 1 | Active |
| AS215806 | CZ-ALBERT-AS | RIPE | 1 | 0 | Active |
| AS200646 | BHSEC-PRG | RIPE | 1 | 0 | Active |
| AS56891 | ASCZRB | RIPE | 1 | 0 | Active |
| AS3161 | ASITPROFI | ARIN | 1 | 0 | Active |
| AS60275 | AS_RVTECH | RIPE | 0 | 1 | Active |
| AS54444 | AS54444 | ARIN | 0 | 1 | Active |
| AS206591 | ALZACZ-AS | RIPE | 1 | 0 | Active |
| AS215354 | ENTRANOVA-AS | RIPE | 1 | 0 | Active |
| AS206683 | MSIC-AS | RIPE | 1 | 0 | Active |
| AS41359 | TELEFONZENTRALE-AS | RIPE | 1 | 0 | Active |
| AS214952 | MJANIK-AS | RIPE | 0 | 1 | Active |
| AS46553 | AS46553 | ARIN | 0 | 1 | Active |
| AS206908 | PL-FORTUNA-GAME | RIPE | 1 | 0 | Active |
| AS210984 | ZEROPS-IO | RIPE | 0 | 1 | Active |
| AS196762 | ASALKOM | RIPE | 1 | 0 | Active |
| AS211137 | ISPSERVICES | RIPE | 1 | 0 | Active |
| AS207153 | cz-stream-it | RIPE | 1 | 0 | Active |
| AS39455 | Tlapnet-SK-AS | RIPE | 1 | 0 | Active |
| AS39453 | UZIS-AS | RIPE | 1 | 0 | Active |
| AS215582 | ipv6project-eu | RIPE | 0 | 1 | Active |
| AS215846 | Blindspot-research | RIPE | 0 | 1 | Active |
| AS211334 | Master_IT_Technologies-2 | RIPE | 1 | 0 | Active |
| AS31461 | MORAVIA-IT-AS | RIPE | 1 | 0 | Active |
| AS211445 | meukralupy | RIPE | 0 | 1 | Active |
| AS199722 | SBERBANKCZ | RIPE | 1 | 0 | Active |
| AS51521 | ASKMNET | RIPE | 1 | 0 | Active |
| AS199059 | MauriceWard | RIPE | 1 | 0 | Active |
| AS57069 | ASDCC | RIPE | 1 | 0 | Active |
| AS207354 | TeleConnect | RIPE | 1 | 0 | Active |
| AS198991 | TV_NOVA_SRO | RIPE | 1 | 0 | Active |
| AS213558 | spinoco-ushc | RIPE | 1 | 0 | Active |
| AS48405 | CGI-CZ-AS1 | RIPE | 1 | 0 | Active |
| AS207575 | brabeczc-as | RIPE | 0 | 1 | Active |
| AS207576 | kovoplazma-as | RIPE | 0 | 1 | Active |
| AS207583 | technologicke-centrum-as | RIPE | 0 | 1 | Active |
| AS61973 | OLEKSANDRA-AS | ARIN | 0 | 0 | Active |
| AS203072 | DomaTV | RIPE | 0 | 0 | Active |