ResearchIRR · RADB

AS-CTBJ CHINATELECOM BEIJING

An as-set registered in RADB, maintained by MAINT-AS4847. It names 150 ASes and 0 sets directly; followed all the way down, it reaches 150 ASes through 0 nested sets.

Members

What AS-CTBJ lists

150 ASes and 0 sets, written in the object across every registry that holds it. Sets open their own page.

AS4611 xinhuanetAS4847 CNIX-APAS7497 CSTNET-AS-APAS7640 CITICNETAS7641 CHINABTNAS7653 MSMSL-AS-APAS8188 BLOOMBERGAS9298 GHXTNETAS9306 CIETNETAS9308 CHINA-ABITCOOLAS9389 CGWNETAS9394 CTTNETAS9801 KUANCOMAS9803 JINGXUNAS9805 ENS-PEKAS9807 GOVSTATSAS9809 NovaNetworkAS9810 TNSNETAS9811 DRCSCNETAS9814 FibrLINKAS9818 IFLABAS9929 CUIIAS9939 DYXNET-CNAS10100 UBSGROUPAG-AS-APAS10212 CHINAENTERCOMAS12008 VERCARAAS13778 JOHNSON-AND-JOHNSONAS17012 PAYPALAS17428 CHINA-ABITCOOLAS17429 BGCTVNETAS17442 CHINANETCENTER-APAS17772 CHINACOMMAS17781 XHNEWSAS17964 DXTNETAS17969 CNTAS18118 CITICNET-CNAS18239 CAPNETAS18245 FounderbnAS23844 BJ-GUANGHUAN-APAS23848 PINGANCOMAS23849 NET263AS23853 CNNIC-DSNET-APAS24134 GZHNNETAS24143 CNNIC-QCN-APAS24147 CBDTELENETAS24151 CNNIC-CRITICAL-APAS24404 CNISP-UNIONAS24424 GOOGLECNAS24430 ChinapostAS24495 AS24495-65AS30437 GE-MS003AS37937 eGovNetAS37942 SACHNETAS37957 CNNIC-CCCNetAS37965 CNNIC-PBSL-APAS37970 HighwayNetAS38027 MOST-AS-APAS38238AS38357 SLTNETAS38358 ICCAST
Show 90 more
AS38367 ULICnetAS38375 GSGHAS38379 MAGINETWORKAS38380 CNNIC-CSRNET-APAS38381 travelskyAS45071 LNSG-CNAS45075 CRIAS45087 CTGDFCLAS45110 CBCnetAS45576 CERNET2-TSINGHUA6-AS-APAS48075 SWIFTASNAS49043 NOVARTIS-BRAS55468 CRIAS55960 BJ-GUANGHUAN-APAS55966 PSBCNETAS55971 CASS-NETAS55973 UCSNETCNAS55975 Ling-CloudAS55982 CHITAS56002 MCNNETAS56003 JDJTAS56012 LGNET-ChinaAS56013 SDSCAS56015 CSLC-NETAS56282 VClouDAS56292 SANXINAS58811 AP-CONAC-AS-APAS58860 BEIKUANAS58862 MCCL-CHNAS58866 CFCA-NETAS59003 TJGDKDAS59011 YLWLAS59012 SINOGRAINAS59029 PEOPLENETAS59050 Cloud-arkAS59057 JSMNETAS59073 BOCAS59074 TAIKANG-INSURANCE-GROUPAS59078 YUNIFY-NETAS63530 GHSXGENETAS63531 bwAS63548 Lenovo-BeiJingAS63555 CNBIDCCAS63590 HEBBTNAS63598 KunTIMEAS63616 GlobalUnicomAS63617 McKinseyAS63629 AUTOHOMEAS63634 CPCNAS63640 JPLITCAS63641 MVNETAS63691 HEZHONGAS63696 CSCNETAS63701 JSMNETAS64520AS64521AS64522AS64524AS64560AS64568AS64569AS64570AS64611AS64612AS65000AS65241AS65452AS131503 AS131503-23AS131530 STACKSNETAS131538 AS131538-58AS131578 BFSUNETAS133111 CNT-northChinaAS135074 DCIPL-AS-APAS135629 WESTCLOUDDATAAS137735 CCBNETAS137739 CNVISANETAS137746 AS137746-38AS137756 CGWNETAS137758 ICBC-AstroNetAS137762 GUOXINYOUYUNAS137764 YoukaiAS138190 GHC-AS-APAS139138 GOPAYAS139177 EDUAS139183 TRLCNETAS139189 YuJiaHengTongAS146771 CCBFTAS146782 UCASSAS146806 CLOUD-UNICOM-NETAS146843 SIHE-HNIT
Expanded

Every AS it reaches

What a filter built from AS-CTBJ would let in: 150 ASes.

Show the 150 ASes
AS4611AS4847AS7497AS7640AS7641AS7653AS8188AS9298AS9306AS9308AS9389AS9394AS9801AS9803AS9805AS9807AS9809AS9810AS9811AS9814AS9818AS9929AS9939AS10100AS10212AS12008AS13778AS17012AS17428AS17429AS17442AS17772AS17781AS17964AS17969AS18118AS18239AS18245AS23844AS23848AS23849AS23853AS24134AS24143AS24147AS24151AS24404AS24424AS24430AS24495AS30437AS37937AS37942AS37957AS37965AS37970AS38027AS38238AS38357AS38358AS38367AS38375AS38379AS38380AS38381AS45071AS45075AS45087AS45110AS45576AS48075AS49043AS55468AS55960AS55966AS55971AS55973AS55975AS55982AS56002AS56003AS56012AS56013AS56015AS56282AS56292AS58811AS58860AS58862AS58866AS59003AS59011AS59012AS59029AS59050AS59057AS59073AS59074AS59078AS63530AS63531AS63548AS63555AS63590AS63598AS63616AS63617AS63629AS63634AS63640AS63641AS63691AS63696AS63701AS64520AS64521AS64522AS64524AS64560AS64568AS64569AS64570AS64611AS64612AS65000AS65241AS65452AS131503AS131530AS131538AS131578AS133111AS135074AS135629AS137735AS137739AS137746AS137756AS137758AS137762AS137764AS138190AS139138AS139177AS139183AS139189AS146771AS146782AS146806AS146843
Prefixes

What AS-CTBJ covers

Every route object in the IRR whose origin is one of the 150 ASes it reaches: the prefixes a filter built from AS-CTBJ (with bgpq4, say) would allow. 12,028 IPv4 and 568 IPv6. Every one is in the IRR API.

12,028 IPv4 prefixesthe first 1,000 listed
1.119.128.0/191.119.160.0/191.119.173.0/241.119.192.0/211.119.200.0/221.119.208.0/231.119.210.0/231.2.4.0/241.202.0.0/171.202.128.0/171.202.143.0/241.202.217.0/241.202.224.0/241.202.228.0/241.202.231.0/241.202.237.0/241.203.0.0/161.203.0.0/181.203.105.0/241.203.128.0/201.203.90.0/241.203.91.0/241.203.96.0/241.28.41.0/241.28.42.0/241.88.0.0/171.88.128.0/171.89.0.0/171.89.128.0/171.90.0.0/171.90.128.0/171.91.0.0/171.91.128.0/17101.104.144.0/20101.104.160.0/20101.106.0.0/19101.129.0.0/16101.129.101.0/24101.129.201.0/24101.130.0.0/17101.144.0.0/12101.240.0.0/17101.240.128.0/17101.241.0.0/17101.241.128.0/17101.242.0.0/17101.242.128.0/17101.243.0.0/17101.243.128.0/17101.246.172.0/22101.246.176.0/20101.252.0.0/15101.38.0.0/15101.39.0.0/16101.39.224.0/20101.39.252.0/23101.39.254.0/23101.40.0.0/15101.40.0.0/16101.49.148.0/23101.52.204.0/22101.52.240.0/22101.52.244.0/22101.54.0.0/22101.54.16.0/20101.54.32.0/19101.54.4.0/22101.54.8.0/21103.1.10.0/23103.1.8.0/22103.1.8.0/24103.1.9.0/24103.10.84.0/22103.110.92.0/22103.113.4.0/24103.113.5.0/24103.113.6.0/23103.114.212.0/23103.116.120.0/24103.116.121.0/24103.116.123.0/24103.116.224.0/22103.117.16.0/22103.118.52.0/22103.120.96.0/22103.121.250.0/24103.121.52.0/22103.121.52.0/24103.121.53.0/24103.121.54.0/24103.121.55.0/24103.122.192.0/24103.126.0.0/22103.126.124.0/22103.126.124.0/24103.126.125.0/24103.126.126.0/24103.126.127.0/24103.135.192.0/22103.135.208.0/22103.135.208.0/24103.135.209.0/24103.135.210.0/24103.135.211.0/24103.139.212.0/24103.139.213.0/24103.14.136.0/24103.14.137.0/24103.14.138.0/24103.14.139.0/24103.149.44.0/23103.150.130.0/23103.150.130.0/24103.150.131.0/24103.150.164.0/23103.150.164.0/24103.150.165.0/24103.150.216.0/23103.152.28.0/23103.158.0.0/23103.159.124.0/24103.159.125.0/24103.166.138.0/23103.169.62.0/23103.170.134.0/23103.172.110.0/23103.172.110.0/24103.172.111.0/24103.174.94.0/23103.183.66.0/24103.183.67.0/24103.191.102.0/24103.196.88.0/21103.2.108.0/22103.2.108.0/24103.2.200.0/22103.2.208.0/22103.2.208.0/24103.2.209.0/24103.2.210.0/24103.2.211.0/24103.204.13.0/24103.205.139.0/24103.205.188.0/22103.208.12.0/22103.210.168.0/22103.212.0.0/24103.213.148.0/22103.213.48.0/24103.213.49.0/24103.213.50.0/24103.213.51.0/24103.213.52.0/22103.213.60.0/23103.213.62.0/23103.213.88.0/21103.219.184.0/22103.219.184.0/23103.219.186.0/23103.221.88.0/22103.223.144.0/20103.225.254.0/24103.225.255.0/24103.226.56.0/22103.226.56.0/24103.226.57.0/24103.226.58.0/24103.226.59.0/24103.227.48.0/24103.227.49.0/24103.227.50.0/24103.227.51.0/24103.228.136.0/22103.229.216.0/21103.229.216.0/22103.229.220.0/22103.229.228.0/22103.229.236.0/22103.229.240.0/22103.23.160.0/22103.233.136.0/23103.233.136.0/24103.233.52.0/22103.234.20.0/22103.235.200.0/22103.235.224.0/22103.236.244.0/22103.238.132.0/22103.238.204.0/22103.238.48.0/22103.238.48.0/23103.238.48.0/24103.238.49.0/24103.238.50.0/23103.238.50.0/24103.238.51.0/24103.238.96.0/24103.238.97.0/24103.238.98.0/24103.238.99.0/24103.242.64.0/22103.244.59.0/24103.245.128.0/22103.245.60.0/22103.247.168.0/22103.247.168.0/23103.247.168.0/24103.247.169.0/24103.247.170.0/23103.247.170.0/24103.247.171.0/24103.247.176.0/22103.247.212.0/24103.249.244.0/22103.249.244.0/23103.249.244.0/24103.25.24.0/22103.250.180.0/22103.252.28.0/22103.253.204.0/22103.254.68.0/22103.29.16.0/22103.29.16.0/24103.3.128.0/22103.3.156.0/22103.3.84.0/22103.30.151.0/24103.37.172.0/22103.38.76.0/22103.41.148.0/22103.41.152.0/22103.41.220.0/22103.41.224.0/22103.42.28.0/22103.42.28.0/23103.42.28.0/24103.42.29.0/24103.42.30.0/23103.42.30.0/24103.42.31.0/24103.42.76.0/22103.43.208.0/22103.44.168.0/22103.44.176.0/23103.44.178.0/23103.46.168.0/24103.48.232.0/22103.49.176.0/24103.50.36.0/22103.57.12.0/22103.57.139.0/24103.59.148.0/22103.59.148.0/23103.59.150.0/23103.63.244.0/22103.66.32.0/22103.71.232.0/22103.72.122.0/24103.74.124.0/24103.74.125.0/24103.74.126.0/24103.74.127.0/24103.75.152.0/22103.75.152.0/23103.75.154.0/23103.76.220.0/22103.76.224.0/22103.77.132.0/24103.77.133.0/24103.77.134.0/24103.77.135.0/24103.77.28.0/22103.78.126.0/23103.79.200.0/22103.8.204.0/22103.8.52.0/24103.8.53.0/24103.8.54.0/24103.8.55.0/24103.8.8.0/22103.82.224.0/22103.83.44.0/24103.83.45.0/24103.83.46.0/24103.83.47.0/24103.85.144.0/22103.85.164.0/23103.85.166.0/23103.85.168.0/22103.85.168.0/23103.85.170.0/23103.85.172.0/23103.85.172.0/24103.85.173.0/24103.85.174.0/23103.85.174.0/24103.85.175.0/24103.85.176.0/24103.85.178.0/23103.85.179.0/24103.88.20.0/22103.89.184.0/21103.89.192.0/19103.89.224.0/21103.90.100.0/22103.90.173.0/24103.90.189.0/24103.90.190.0/24103.91.177.0/24103.91.178.0/24103.93.204.0/22103.99.152.0/22103.99.153.0/24106.120.0.0/15106.120.0.0/19106.120.101.0/24106.120.128.0/20106.120.192.0/19106.120.213.0/24106.120.224.0/19106.120.32.0/19106.120.64.0/19106.120.96.0/19106.121.0.0/16106.2.0.0/19106.2.16.0/20106.2.224.0/21106.2.224.0/24106.2.232.0/21106.2.240.0/20106.3.232.0/22106.3.236.0/22106.3.240.0/22106.3.244.0/22106.37.0.0/16106.37.239.0/24106.38.0.0/16106.38.0.0/19106.38.57.0/24106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.0/23120.132.136.0/24120.132.137.0/24120.132.138.0/23120.132.138.0/24120.132.139.0/24
568 IPv6 prefixes
2001:1aa1:22::/482001:500:3682::/482001:502:100e::/482001:502:2eda::/482001:502:4612::/482001:502:63bd::/482001:502:7a71::/482001:502:ad09::/482001:502:cfb5::/482001:502:d399::/482001:502:f3ff::/482001:503:d1ae::/482001:503:e239::/482001:cc0::/322001:dc7:1000::/482001:dc7:1::/482001:dc7:2::/482001:dc7:3::/482001:dc7::/322001:dc7::/482001:dc7:a::/482001:dc7:b::/482001:dc7:feff::/482001:dc7:ffc0::/482001:dc7:ffc1::/482001:dc7:ffc2::/482001:dc7:ffc3::/482001:dc7:ffc4::/482001:dc7:ffc5::/482001:dc7:ffc6::/482001:dc7:ffc7::/482001:dc7:ffc8::/482001:dc7:ffc9::/482001:dc7:ffca::/482001:dc7:ffd1::/482001:dc7:ffd2::/482001:dc7:ffd3::/482001:dc7:ffd4::/482001:dc7:ffd5::/482001:dc7:ffeb::/482001:dc7:ffec::/482001:dc7:fff1::/482001:dc7:fff2::/482001:dc7:fffb::/482001:dc7:fffc::/482001:dc7:fffd::/482001:dc7:fffe::/482001:dc7:ffff::/482001:dcd:1::/482001:dcd:2::/482001:dcd:3::/482001:dcd:4::/482001:dcd:5::/482001:dcd:6::/482001:dcd:7::/482001:dcd:dd05::/482001:df3:b380::/482400:1160::/322400:5a00::/322400:7fc0:100::/442400:7fc0:110::/482400:7fc0:2000::/402400:7fc0:220::/462400:7fc0:224::/462400:7fc0:228::/462400:7fc0:22c::/462400:7fc0:2300::/402400:7fc0:240::/462400:7fc0:244::/462400:7fc0:248::/462400:7fc0:24c::/462400:7fc0:2a0::/462400:7fc0:2a4::/462400:7fc0:2a8::/462400:7fc0:2ac::/462400:7fc0:2c0::/462400:7fc0:2c4::/462400:7fc0:2c8::/462400:7fc0:2cc::/462400:7fc0:4000::/402400:7fc0:4100::/482400:7fc0:8000::/362400:7fc0:8000::/382400:7fc0:8400::/382400:7fc0:8800::/382400:7fc0:8c00::/382400:7fc0::/322400:7fc0::/402400:7fc0:c000::/362400:9580::/322400:95e0::/482400:a980:1800::/402400:a980:18fe::/482400:a980:18ff::/482400:a980:2000::/402400:a980:2800::/402400:a980:2c00::/402400:a980:5800::/402400:a980:6400::/402400:a980:6800::/402400:a980:7400::/402400:a980:7800::/402400:a980:9000::/402400:a980:90fd::/482400:a980:90ff::/482400:a980::/292400:a980::/402400:a980:a000::/402400:a980:bf::/482400:a980:d1::/482400:a980:da::/482400:a980:e1::/482400:a980:e3::/482400:a980:ef::/482400:ae00:1981::/482400:ae00::/322400:be00::/482400:dd00::/282401:3800::/322401:9ca0::/322401:9ca0::/482401:b400:14::/482401:b400:16::/482401:b400:17::/482401:b400:20::/482401:b400:21::/482401:b400:2::/482401:b680::/322401:c60:1000::/402401:c60:100::/402401:c60:1100::/402401:c60:1200::/402401:c60:1300::/402401:c60:1400::/402401:c60:1500::/402401:c60:1600::/402401:c60:1700::/402401:c60:1800::/402401:c60:1900::/402401:c60:1a00::/402401:c60:1b00::/402401:c60:1c00::/402401:c60:1d00::/402401:c60:1e00::/402401:c60:1f00::/402401:c60:2000::/402401:c60:200::/402401:c60:300::/402401:c60:400::/402401:c60:500::/402401:c60:600::/402401:c60:700::/402401:c60:800::/402401:c60:900::/402401:c60::/322401:c60::/402401:c60:a00::/402401:c60:b00::/402401:c60:c00::/402401:c60:d00::/402401:c60:e00::/402401:c60:f00::/402401:de00::/322401:fa00:40::/432401:fa00:40::/442401:fa00:40::/452401:fa00:40::/462401:fa00:40::/472401:fa00:40::/482401:fa00:41::/482401:fa00:42::/472401:fa00:42::/482401:fa00:43::/482401:fa00:44::/462401:fa00:44::/472401:fa00:44::/482401:fa00:45::/482401:fa00:46::/472401:fa00:46::/482401:fa00:47::/482401:fa00:48::/452401:fa00:48::/462401:fa00:48::/472401:fa00:48::/482401:fa00:49::/482401:fa00:4a::/472401:fa00:4a::/482401:fa00:4b::/482401:fa00:4c::/462401:fa00:4c::/472401:fa00:4c::/482401:fa00:4d::/482401:fa00:4e::/472401:fa00:4e::/482401:fa00:4f::/482401:fa00:50::/442401:fa00:50::/452401:fa00:50::/462401:fa00:50::/472401:fa00:50::/482401:fa00:51::/482401:fa00:52::/472401:fa00:52::/482401:fa00:53::/482401:fa00:54::/462401:fa00:54::/472401:fa00:54::/482401:fa00:55::/482401:fa00:56::/472401:fa00:56::/482401:fa00:57::/482401:fa00:58::/452401:fa00:58::/462401:fa00:58::/472401:fa00:58::/482401:fa00:59::/482401:fa00:5a::/472401:fa00:5a::/482401:fa00:5b::/482401:fa00:5c::/462401:fa00:5c::/472401:fa00:5c::/482401:fa00:5d::/482401:fa00:5e::/472401:fa00:5e::/482401:fa00:5f::/482402:3c00::/322402:92c0::/482402:93c0:100::/482402:93c0::/482402:b200::/322402:b8c0::/322402:d340::/322402:f000::/322403:4300::/322403:600::/322403:600:a000::/382403:600:a600::/482403:600:a601::/482403:600:a602::/482403:600:a604::/462403:600:a608::/482403:8080:101::/482403:8080::/322403:8880::/322403:9b00::/322403:a880::/322403:b080::/322403:b400::/322403:f4c0::/482403:ffc0:1100::/402403:ffc0:1200::/402403:ffc0:1300::/402403:ffc0::/322404:1c80::/322404:280::/322404:7180::/322404:71c0::/482404:7240:2008::/482404:7240::/322404:7600:100::/482404:7600::/322404:7cc0:7f00::/472404:7cc0:7f00::/482404:7cc0:7f02::/482404:7cc0:7f04::/472404:7cc0:7f04::/482404:7cc0:7f06::/482404:bc0:1::/482404:bc0:4000::/442404:bc0:4010::/442404:bc0:4100::/442404:bc0:4110::/442404:bc0:4200::/442404:bc0:4210::/442404:bc0:4410::/442404:bc0:4500::/442404:bc0:4510::/442404:bc0:4620::/442404:bc0:4f00::/442404:bc0:4f10::/442404:c2c0:100::/442404:c2c0:110::/482404:c2c0:111::/482404:c2c0:2000::/402404:c2c0:2300::/402404:c2c0:4000::/402404:c2c0:4100::/482404:c2c0:8000::/362404:c2c0:8000::/382404:c2c0:8400::/382404:c2c0:8800::/382404:c2c0:8c00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Registries

Each registry’s copy

RADB150 membersCHINATELECOM BEIJING
Maintained byMAINT-AS4847
Last modified2025-09-24T09:19:07Z
MembersAS4847 AS59012 AS139189 AS12008 AS7497 AS45576 AS58866 AS65452 AS56002 AS9803 AS45087 AS9308 AS38381 AS56012 AS45075 AS64521 AS64520 AS17429 AS24404 AS139183 AS30437 AS58862 AS64560 AS24430 AS64611 AS64569 AS64570 AS24424 AS55971 AS4611 AS17442 AS139177 AS9939 AS58860 AS64524 AS63634 AS56015 AS49043 AS56292 AS55966 AS23844 AS63555 AS64522 AS23848 AS9805 AS63629 AS10212 AS135629 AS131530 AS55982 AS38367 AS137756 AS59029 AS18239 AS37957 AS63617 AS24147 AS45071 AS38380 AS9809 AS55960 AS23853 AS45110 AS9389 AS59073 AS38358 AS18245 AS131578 AS9814 AS9801 AS17969 AS10100 AS24151 AS63530 AS55468 AS137758 AS9807 AS38027 AS37937 AS17964 AS56003 AS55973 AS63701 AS9811 AS131503 AS37965 AS17012 AS59074 AS63548 AS24143 AS56282 AS63598 AS56013 AS58811 AS133111 AS131538 AS59003 AS38238 AS137762 AS17772 AS38357 AS63616 AS59057 AS59011 AS63691 AS59050 AS137764 AS38375 AS8188 AS9298 AS17781 AS24134 AS64612 AS64568 AS9929 AS23849 AS7641 AS37970 AS9394 AS55975 AS65000 AS63531 AS24495 AS38379 AS17428 AS65241 AS18118 AS7640 AS9306 AS9810 AS37942 AS63590 AS139138 AS13778 AS138190 AS63640 AS48075 AS146843 AS137739 AS137735 AS7653 AS63696 AS146771 AS9818 AS137746 AS146782 AS59078 AS63641 AS146806 AS135074
mbrs-by-refN
Used by

Sets that include AS-CTBJ

AS-CN
Tools

Check AS-CTBJ live

IRR API, with prefixes