ResearchIRR · RIPE

AS-CTIOL O2 CZECH REPUBLIC - INTERNET SERVICES. CableNet…

An as-set registered in RIPE, maintained by AS5610-MTN. It names 108 ASes and 8 sets directly; followed all the way down, it reaches 227 ASes through 26 nested sets.

Members

What AS-CTIOL lists

108 ASes and 8 sets, written in the object across every registry that holds it. Sets open their own page.

AS-ASWAS-CTNETAS-IHOLMAS-KOOPERATIVAAS-NEJCZ-NIXCZAS-NIX-DRAS-NORDICTELECOMAS-O2BSSKAS2571 DHLNETAS5610 O2-CZECH-REPUBLICAS8518 RFERLAS13105 LUKOIL-INFORM-ASAS15380 ANSCZAS20708 SKODA-AUTOAS20884 CZ-CTNET-ASAS21205 INGBANKAS21241 MUZO-ASAS21942AS23154 SANMINA-SCIAS25093 CSAS-CZAS25238 MONETA-CZAS25321 G4S-NETAS27500 ICANN-MEETINGSAS28725 CETIN-ASAS28892 CUZK-NETAS28952 O2BSSKAS31095 SPARIGT-ASAS31559AS34955 ASVICENIKAS35096 ALEFNULAAS35214 CZ-NORDICTELECOMREGIONALAS38952 MAFRA-CZ-ASAS39174 RRD-ASAS39235AS39453 UZIS-ASAS41824 IH-LOSAN-NETAS42969 ALPHASTRIKEAS43037 SEZNAM-CZAS43187 DELOITTE-HU-ASAS43757 ICZAS-CZAS43866 ALTRONAS44712 eHAMnet-ASAS47114 ZLINNETAS47493 WMS-ASAS47941 REDHATAS48405 CGI-CZ-AS1AS48417 ITS-CZAS48451 PRE-ASAS49580 MONETPLUS-ASAS50695 VLP-ASAS50948 amdocs-uk-dc-asAS50975 AVX_ASAS51134 INTACTO-ASAS56442 rualnairAS56891 ASCZRBAS56973 VITSOLAS57007 ASNITEXAS57560 ASXLNETAS57564AS57823 ASKKNET
Show 56 more
AS59747 NIX-DRAS60266 EMBEDIT-ASAS62083 FIO-BANKA-ASAS62102 ISE-ASAS131306 CCI-AS-APAS196845AS197083 K2ATMITECAS197197 M-NETAS197353 INGMS_CZAS197376 TEST-TRANSIT-AS-IPV6PROJECT-EUAS197393 ASRUDOLFNETAS197879 HELAPCAS197920 SKODA-ICTAS198002 CEZNET-ASAS198103 CCS-CZAS198161 CZ-SUASAS198282 cablenetAS198587 ZHOULIANGAS198605 AVAST-AS-DCAS198621 KLAUS-ONLAS198657 GOHEGAN-NETAS198813 SychrovNETAS198882 KVKRAJAS198991 TV_NOVA_SROAS199059 MauriceWardAS199220 KRS-AS-CZAS200600 SEZNAM-CZ-DCAS201163 KB-AS-CZAS201179 TERALINETELECOM-ASAS201730 DataSpringAS203080 SAP_SE_PRGAS203411 FORTUNA-GAME-PUBAS203645 RYZNAR-ASAS204172 TTCINFRA-CZAS204372 PPFBANKAAS204567 ASPCKBnetAS204907 AS204907AS205080 SITA-CORPORATEAS205233 AS_KBCGROUP_CSOBCZAS205347 Seavus-ASAS205724 TSB-ASAS205947 NDC-ICT-SOLUTIONSAS206334 START-TELE-RADIOAS206613 TIPSPORT-NET-ASAS206683 MSIC-ASAS206908 PL-FORTUNA-GAMEAS207696 DPP-ASAS208329 Ceska_televizeAS208712 CENDISAS208906 SYNOT-CZAS208950 ASEZPADASROAS211274 QCZAS211731 MPSV-AS-CZAS212315 FTCZ-NETAS212859 KronosNetAS215711 MZE
Expanded

Every AS it reaches

What a filter built from AS-CTIOL would let in: 227 ASes.

Show the 227 ASes
AS2571AS3161AS3557AS5610AS8518AS12570AS12905AS13105AS15380AS16142AS16246AS16354AS20144AS20701AS20708AS20884AS21205AS21241AS21942AS23154AS25036AS25093AS25152AS25192AS25238AS25321AS25496AS26710AS27500AS28725AS28892AS28952AS29067AS29321AS29663AS30134AS31095AS31246AS31349AS31559AS33442AS34080AS34475AS34955AS35096AS35214AS38952AS39174AS39235AS39453AS39736AS41046AS41453AS41824AS42908AS42969AS43037AS43187AS43413AS43653AS43709AS43757AS43866AS44070AS44522AS44712AS47114AS47483AS47493AS47681AS47941AS48091AS48364AS48405AS48417AS48451AS49460AS49573AS49580AS49659AS49767AS49798AS50695AS50784AS50948AS50975AS51134AS51154AS51382AS51424AS51968AS52234AS52304AS56442AS56554AS56566AS56891AS56973AS57007AS57288AS57294AS57414AS57560AS57564AS57823AS59747AS59959AS60086AS60266AS60533AS60715AS60890AS61169AS61455AS62083AS62102AS62178AS62405AS131306AS196815AS196845AS196849AS197083AS197197AS197353AS197376AS197393AS197412AS197798AS197815AS197879AS197920AS198002AS198101AS198103AS198161AS198248AS198282AS198346AS198587AS198605AS198620AS198621AS198657AS198813AS198882AS198991AS199059AS199220AS199330AS199490AS200070AS200600AS200635AS200828AS201116AS201163AS201179AS201265AS201303AS201304AS201457AS201464AS201730AS201890AS201966AS202522AS202551AS202643AS202657AS202979AS203080AS203365AS203411AS203645AS203961AS204055AS204172AS204372AS204567AS204691AS204886AS204907AS204943AS205044AS205055AS205080AS205233AS205345AS205347AS205653AS205724AS205947AS206270AS206334AS206420AS206429AS206613AS206683AS206908AS207015AS207187AS207198AS207242AS207696AS208329AS208648AS208663AS208670AS208712AS208805AS208906AS208950AS209531AS209795AS209810AS210061AS210111AS210139AS210306AS211274AS211334AS211731AS212315AS212859AS213354AS215711
Prefixes

What AS-CTIOL covers

Every route object in the IRR whose origin is one of the 227 ASes it reaches: the prefixes a filter built from AS-CTIOL (with bgpq4, say) would allow. 1,410 IPv4 and 459 IPv6. Every one is in the IRR API.

1,410 IPv4 prefixesthe first 1,000 listed
103.152.9.0/24103.26.33.0/24103.26.35.0/24103.47.230.0/24103.47.231.0/24103.69.108.0/24104.128.16.0/20104.128.16.0/24104.128.17.0/24104.128.18.0/24104.128.19.0/24104.128.20.0/24104.128.21.0/24104.128.22.0/24104.128.23.0/24104.128.24.0/24104.128.25.0/24104.128.26.0/24104.128.27.0/24104.128.28.0/24104.128.29.0/24104.128.30.0/24104.128.31.0/24109.105.32.0/19109.108.96.0/19109.224.64.0/18109.235.58.224/27109.239.64.0/20109.248.131.0/24109.69.208.0/21109.70.104.0/24109.70.105.0/24109.70.108.0/24109.70.109.0/24109.70.111.0/24109.72.0.0/20109.75.0.0/21109.75.8.0/23109.80.0.0/15109.80.208.0/22109.80.212.0/22109.81.112.0/20109.81.160.0/20109.81.208.0/24109.81.209.0/24109.81.210.0/24109.81.211.0/24109.81.212.0/24109.81.213.0/24109.81.214.0/24109.81.215.0/24109.81.224.0/1912.234.181.0/24130.129.0.0/16130.129.0.0/17130.129.0.0/18130.129.0.0/19130.129.0.0/20130.129.0.0/21130.129.104.0/21130.129.112.0/20130.129.112.0/21130.129.120.0/21130.129.128.0/17130.129.128.0/18130.129.128.0/19130.129.128.0/20130.129.128.0/21130.129.136.0/21130.129.144.0/20130.129.144.0/21130.129.152.0/21130.129.16.0/20130.129.16.0/21130.129.160.0/19130.129.160.0/20130.129.160.0/21130.129.168.0/21130.129.176.0/20130.129.176.0/21130.129.184.0/21130.129.192.0/18130.129.192.0/19130.129.192.0/20130.129.192.0/21130.129.200.0/21130.129.208.0/20130.129.208.0/21130.129.216.0/21130.129.224.0/19130.129.224.0/20130.129.224.0/21130.129.232.0/21130.129.24.0/21130.129.240.0/20130.129.240.0/21130.129.248.0/21130.129.32.0/19130.129.32.0/20130.129.32.0/21130.129.40.0/21130.129.48.0/20130.129.48.0/21130.129.56.0/21130.129.64.0/18130.129.64.0/19130.129.64.0/20130.129.64.0/21130.129.72.0/21130.129.8.0/21130.129.80.0/20130.129.80.0/21130.129.88.0/21130.129.96.0/19130.129.96.0/20130.129.96.0/21134.19.136.0/21137.98.192.0/22137.98.192.0/23137.98.192.0/24137.98.193.0/24137.98.194.0/23137.98.194.0/24137.98.195.0/24137.98.208.0/20137.98.235.0/24137.98.32.0/24143.116.0.0/16143.116.100.0/24143.116.102.0/24143.116.103.0/24143.116.104.0/24143.116.105.0/24143.116.107.0/24143.116.116.0/24143.116.14.0/24143.116.15.0/24143.116.186.0/24143.116.187.0/24143.116.188.0/24143.116.189.0/24143.116.190.0/24143.116.222.0/24143.116.223.0/24143.116.250.0/24143.116.252.0/23143.116.252.0/24143.116.253.0/24143.116.48.0/24143.116.78.0/23143.116.78.0/24143.116.79.0/24143.116.82.0/24143.116.83.0/24143.116.84.0/23143.116.84.0/24143.116.85.0/24143.116.86.0/24143.116.87.0/24143.116.93.0/24143.116.94.0/24147.78.168.0/22147.78.168.0/23147.78.170.0/23148.164.0.0/16148.164.0.0/23148.164.0.0/24148.164.1.0/24148.164.11.0/24148.164.113.0/24148.164.117.0/24148.164.14.0/24148.164.141.0/24148.164.142.0/24148.164.143.0/24148.164.148.0/24148.164.150.0/24148.164.156.0/24148.164.157.0/24148.164.159.0/24148.164.16.0/24148.164.167.0/24148.164.17.0/24148.164.193.0/24148.164.2.0/24148.164.20.0/24148.164.21.0/24148.164.22.0/23148.164.22.0/24148.164.23.0/24148.164.3.0/24148.164.4.0/24148.164.42.0/23148.164.42.0/24148.164.43.0/24148.164.44.0/23148.164.44.0/24148.164.45.0/24148.164.48.0/23148.164.48.0/24148.164.49.0/24148.164.53.0/24148.164.54.0/24148.164.6.0/24148.164.7.0/24148.164.78.0/24148.164.8.0/24148.164.9.0/24149.23.100.0/24149.23.11.0/24149.23.113.0/24149.23.114.0/24149.23.117.0/24149.23.118.0/24149.23.126.0/24149.23.127.0/24149.23.14.0/24149.23.206.0/24149.23.31.0/24149.23.35.0/24149.23.38.0/24149.23.4.0/24149.23.41.0/24149.23.58.0/24149.23.6.0/24149.23.61.0/24149.23.78.0/24149.23.8.0/24149.23.9.0/24149.255.64.0/19151.236.224.0/20151.249.104.0/21151.249.104.0/23151.249.107.0/24151.249.108.0/22156.137.0.0/16156.137.0.0/20156.137.0.0/21156.137.1.0/24156.137.192.0/20156.137.192.0/21156.137.195.0/24156.137.200.0/21156.137.32.0/20156.137.32.0/21156.137.40.0/21156.137.8.0/21157.235.128.0/24157.235.243.0/24157.235.250.0/24157.235.66.0/24157.235.77.0/24158.94.187.0/24158.94.218.0/24159.242.224.0/23159.242.226.0/23159.242.227.0/24159.242.232.0/23159.242.234.0/24159.242.239.0/24160.218.0.0/16160.218.104.0/21160.218.176.0/21160.218.184.0/21160.218.212.0/22160.218.244.0/22160.218.96.0/21161.195.144.0/24162.27.160.0/24162.27.161.0/24162.27.162.0/24165.72.0.0/16165.72.0.0/18165.72.128.0/18165.72.190.0/24165.72.191.0/24165.72.192.0/18165.72.192.0/24165.72.211.0/24165.72.32.0/19165.72.64.0/18166.98.11.0/24166.98.8.0/24171.22.96.0/22171.25.176.0/24176.102.128.0/19176.102.72.0/21176.110.124.0/24176.110.125.0/24176.110.126.0/24176.118.168.0/23176.118.170.0/23176.122.32.0/20176.222.224.0/21176.67.224.0/21176.97.8.0/21176.98.96.0/20178.17.80.0/20178.17.96.0/20178.248.8.0/21178.72.192.0/18178.72.192.0/19178.72.224.0/19185.10.236.0/22185.100.196.0/22185.101.220.0/22185.103.144.0/22185.108.60.0/22185.116.115.0/24185.131.244.0/22185.133.188.0/22185.134.60.0/24185.134.61.0/24185.134.62.0/24185.134.63.0/24185.135.144.0/24185.135.145.0/24185.135.146.0/24185.135.147.0/24185.136.196.0/22185.138.244.0/22185.138.244.0/23185.138.244.0/24185.138.245.0/24185.138.246.0/23185.138.246.0/24185.138.247.0/24185.138.68.0/22185.138.68.0/24185.138.69.0/24185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4.224.0/19
459 IPv6 prefixes
2001:1398:121::/482001:1398:274::/482001:1398:a53::/482001:1398:b53::/482001:1488::/322001:148f:fffb::/482001:148f:fffc::/482001:148f:fffd::/482001:148f:fffe::/482001:148f:ffff::/482001:4130:107::/482001:4130:140::/482001:4130:141::/482001:4130:18::/482001:4130:20::/482001:4130:50f1::/482001:4130:50f2::/482001:4130::/322001:4130:b0::/482001:4130:cd::/482001:4130:ce::/482001:41d8::/322001:4ba8::/292001:4baf::/322001:4cc8::/312001:500:2e::/472001:500:2e::/482001:500:2f::/482001:500:3::/482001:500:86::/482001:500:87::/482001:500:89::/482001:500:8c::/482001:500:8d::/482001:500:8e::/482001:500:8f::/482001:500:9c::/482001:500:9d::/482001:500:9e::/472001:500:9f::/482001:678:10::/482001:678:11::/482001:678:17c:8000::/492001:678:17c::/482001:678:17c::/492001:678:1::/482001:678:320::/482001:678:378::/482001:678:398::/482001:678:84c::/482001:678:a20::/482001:678:f::/482001:67c:1009::/482001:67c:10e8::/482001:67c:1138::/482001:67c:11a8::/482001:67c:1230::/462001:67c:1230::/472001:67c:1230::/482001:67c:1232::/472001:67c:1232::/482001:67c:1233::/482001:67c:13cc::/482001:67c:1578::/482001:67c:17b8::/482001:67c:1914::/482001:67c:21d0::/482001:67c:256c::/482001:67c:258::/482001:67c:25c0::/482001:67c:2620::/482001:67c:26c:400::/542001:67c:26c::/482001:67c:26c::/542001:67c:2710::/482001:67c:284::/482001:67c:284:ff00::/562001:67c:28b8::/482001:67c:29d0::/482001:67c:2ac0::/482001:67c:2b7c::/482001:67c:2d90::/482001:67c:370::/482001:67c:3dc::/482001:67c:454::/482001:67c:5e8::/482001:67c:dd4::/482001:67c:fbc::/482001:7fd:15::/482001:7fd:16::/482001:7fd:17::/482001:7fd::/322001:7fd::/482001:7fd:ffff::/482001:df3:3a00::/482001:df3:3a01::/482001:df8::/322001:df8::/332001:df8::/342001:df8::/352001:df8::/362001:df8::/372001:df8::/382001:df8::/392001:df8::/402001:df8::/412001:df8::/422001:df8::/432001:df8::/442001:df8::/452001:df8::/462001:df8::/472001:df8::/482403:c580:fff0::/442403:c580:fff0::/482403:c580:fff1::/482403:c580:fff2::/482403:c580:fff3::/482403:c580:fff4::/482403:c580:fff5::/482403:c580:fff6::/482403:c580:fff7::/482403:c580:fff8::/482403:c580:fff9::/482403:c580:fffa::/482403:c580:fffb::/482403:c580:fffc::/482403:c580:fffd::/482403:c580:fffe::/482403:c580:ffff::/482602:800:9004::/482602:800:9005::/482602:800:9007::/482602:f790::/362602:fa92:400::/402606:b4c0:117::/482606:b4c0:17::/482620:0:22b0::/482620:0:2ee0::/482620:1d6:fff0::/442620:1d6:fff0::/482620:1d6:fff1::/482620:1d6:fff2::/482620:1d6:fff3:8000::/492620:1d6:fff3::/482620:1d6:fff3::/492620:1d6:fff4::/482620:1d6:fff5::/482620:1d6:fff6::/482620:1d6:fff7::/482620:1d6:fff8::/482620:1d6:fff9::/482620:1d6:fffa::/482620:1d6:fffb::/482620:1d6:fffc::/482620:1d6:fffd:8000::/492620:1d6:fffd::/482620:1d6:fffd::/492620:1d6:fffe::/482620:1d6:ffff::/482620:f:8000::/482801:14:a000::/472801:14:a000::/482801:14:a001::/482a00:1028::/292a00:1028::/322a00:6bc0:8000::/402a00:6bc0:8000::/442a00:6bc0:8010::/442a00:6bc0:8020::/442a00:6bc0:8030::/442a00:6bc0:8040::/442a00:6bc0:8050::/442a00:6bc0:8060::/442a00:6bc0:8070::/442a00:6bc0:8080::/442a00:6bc0:8090::/442a00:6bc0:80a0::/442a00:6bc0:80b0::/442a00:6bc0:80c0::/442a00:6bc0:80d0::/442a00:6bc0:80e0::/442a00:6bc0:80f0::/442a00:7e80::/322a00:a5a1::/322a00:a8a0:8000::/332a00:a8a0::/322a00:a8a0::/332a00:c580::/322a00:c584::/302a00:c584::/322a00:cb20:1100::/402a00:cb20:2100::/402a00:cb20:3b00::/402a00:cb20::/322a00:de00::/322a00:de20::/322a00:e140::/322a00:e4c0::/322a00:f78::/322a01:430:11::/482a01:538:1::/482a01:538:2::/482a01:538::/322a01:668::/322a01:7ce0::/322a01:7d20::/322a01:8a80::/322a01:9f40::/292a01:a8c0::/292a02:1f0::/322a02:2428::/322a02:2588::/292a02:2930::/322a02:350::/292a02:38:1111::/482a02:40e0::/322a02:4f0::/322a02:598:2::/482a02:598:3333::/482a02:598:4444::/482a02:598::/322a02:598:a::/482a02:598:b::/482a02:66a0::/322a02:6720::/322a02:7a00:8::/482a02:9b8::/312a02:9b8::/322a02:9b9::/322a02:b20::/322a02:c20::/322a02:d8a0:4000::/342a02:d8a0:8000::/332a02:d8a0:8000::/342a02:d8a0::/322a02:d8a0::/332a02:d8a0::/342a02:d8a0:c000::/342a02:db8::/322a02:f000::/322a03:1180::/322a03:1600::/322a03:1aa0:4000::/362a03:1aa0:8000::/362a03:1aa0::/322a03:1aa0::/362a03:3460::/322a03:4760::/292a03:6947:1800::/402a03:7240::/402a03:7a00::/322a03:9540::/322a03:a820::/322a03:aca0:8000::/342a03:aca0::/342a03:b4c0::/322a03:cd80::/322a04:2b00:13cc::/482a04:2b00:13ee::/482a04:2b00:13ff::/482a04:2b00:14aa::/482a04:2b00:14bb::/482a04:340::/292a04:bc00::/292a04:bf80:100::/402a04:bf80:200::/402a04:bf80::/292a04:e7c0::/292a04:fac0::/292a05:2c0::/342a05:2c7:c000::/342a05:2e00::/322a05:37c0::/292a05:37c0::/322a05:37c7:100::/402a05:43c0::/292a05:43c2::/322a05:4a40:ffdc::/482a05:4a40:ffdf::/482a05:4a40:fff0:8000::/492a05:4a40:fff0::/442a05:4a40:fff0::/482a05:4a40:fff0::/492a05:4a40:fff1::/482a05:4a40:fff2::/482a05:4a40:fff3::/482a05:4a40:fff4::/482a05:4a40:fff5::/482a05:4a40:fff6::/482a05:4a40:fff7::/482a05:4a40:fff8::/482a05:4a40:fff9::/482a05:4a40:fffa:8000::/492a05:4a40:fffa::/482a05:4a40:fffa::/492a05:4a40:fffb::/482a05:4a40:fffc::/482a05:4a40:fffd::/482a05:4a40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Registries

Each registry’s copy

RIPE116 membersO2 CZECH REPUBLIC - INTERNET SERVICES. CableNet NDC ICT Solutions MNET
Maintained byAS5610-MTN
Last modified2026-10-05T12:17:09Z
MembersAS-NEJCZ-NIXCZ AS-NORDICTELECOM AS-IHOLM AS-CTNET AS-O2BSSK AS-NIX-DR AS-ASW AS-KOOPERATIVA AS198282 AS205947 AS2571 AS5610 AS8518 AS13105 AS15380 AS20708 AS20884 AS21205 AS21241 AS21942 AS23154 AS25093 AS25238 AS25321 AS28725 AS28892 AS28952 AS31095 AS31559 AS34955 AS35214 AS35096 AS38952 AS39174 AS39235 AS39453 AS41824 AS42969 AS43037 AS43187 AS43757 AS43866 AS44712 AS47114 AS47493 AS47941 AS48405 AS48417 AS48451 AS49580 AS50695 AS50948 AS50975 AS51134 AS56442 AS56891 AS56973 AS57007 AS57560 AS57564 AS57823 AS59747 AS60266 AS62083 AS62102 AS131306 AS196845 AS197083 AS197197 AS197353 AS197376 AS197393 AS197879 AS197920 AS198002 AS198103 AS198161 AS198587 AS198605 AS198621 AS198657 AS198813 AS198882 AS198991 AS199059 AS199220 AS200600 AS201163 AS201179 AS201730 AS203080 AS203411 AS203645 AS204172 AS204372 AS204567 AS204907 AS205080 AS205233 AS205347 AS205724 AS206334 AS206613 AS206683 AS206908 AS208329 AS208712 AS208906 AS208950 AS211274 AS211731 AS212859 AS215711 AS207696 AS212315 AS27500
mbrs-by-refN
Used by

Sets that include AS-CTIOL

AS-CESNET-NIX-PEERSAS-NIXCZ-RSCLIENTSAS-NIXSK-RSCLIENTSAS-PEERINGCZ-RSAS-SEABONE-V6AS-SEABONECUSTEUAS1299:AS-TWELVE99-EU-V4AS1299:AS-TWELVE99-EU-V6AS47200:AS-NIXCZ-RSCLIENTSAS47627:AS-NIXSK-RSCLIENTSAS6881:AS-NIXCZ-CLIENTS
Tools

Check AS-CTIOL live

IRR API, with prefixes