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AS151185
AS151185 China Telecom
CT-XIANGYANG-IDC2 - China Telecom · registered in China
IPv4 addresses 83,968 26 prefixes · 0.003% of announced IPv4
Rank in China #107 largest network in CN by IPv4 space, of 601 · 0.03% of CN
Rank worldwide #2,100 of 79,396 networks with IPv4
IPv6 1,797 x /48 9 prefixes
Country China 5,117 ASNs registered there
IPv4 prefixes
All 26 prefixes, in address order.
43.226.49.0/24 43.226.72.0/22 43.227.68.0/24 43.227.80.0/20 61.184.0.0/20 61.184.16.0/21 103.20.128.0/22 103.45.128.0/24 103.45.130.0/23 103.45.132.0/22 103.45.136.0/21 103.45.145.0/24 103.45.146.0/23 103.45.148.0/22 103.45.152.0/21 103.65.224.0/23 103.255.68.0/22 111.170.0.0/18 111.170.128.0/23 111.170.130.0/23 111.170.132.0/22 111.170.136.0/21 111.170.144.0/20 111.170.160.0/20 111.170.232.0/23 171.80.0.0/17
IPv6 prefixes
All 9 prefixes.
2401:5c20:10::/48 240e:105:f100::/40 240e:108:1162::/48 240e:108:1166::/48 240e:108:4306::/48 240e:108:4b06::/48 240e:95d:c00::/38 240e:982:6200::/40 240e:982:6600::/40
Other ASNs named China Telecom
35 other networks use the same organisation name; together with AS151185 they announce 877,568 IPv4 addresses. Largest 30 shown.
ASN Name IPv4 addresses
AS141739 CT-CHONGQING-MAN2-AP - China Telecom CN 125,952 AS135089 CHINANET-Guangzhou-Southbase-IDC - China Telecom CN 120,576 AS140527 CHINANET-ANHUI-WUHU-IDC - China Telecom CN 98,560 AS141771 CHINANET-HEBEI-ZHANGJIAKOU-MAN - China Telecom CN 59,904 AS138169 ASEAN-INTERNATIONAL-INFORMATION-GARDEN-IDC - China Telecom CN 55,296 AS141998 CHINANET-LANZHOU-IDC - China Telecom CN 54,272 AS146966 CHINANET-YANGZHOUNORTH-IDC - China Telecom CN 38,400 AS151823 CT-Centralsouth-China-IIP - China Telecom CN 32,768 AS148981 CHINANET-HUBEI-SHIYAN-IDC - China Telecom CN 25,856 AS132225 CHINATELECOM-QINGHAI-5G-NETWORK - China Telecom CN 20,992 AS134425 CHINANET-HEFEI-QIMENLU-IDC - China Telecom CN 19,456 AS149178 CT-HEFEI-NANGANG-IDC - China Telecom CN 16,384 AS149837 ChinaNet-JX-Yunhe-IDC - China Telecom CN 16,384 AS140636 CHINANET-IOT-BEIJING - China Telecom CN 14,848 AS140638 CHINANET-IOT-SICHUAN - China Telecom CN 14,848 AS142404 CHINANET-AS-AP - China Telecom CN 10,240 AS147038 CHINANET-QINGYANG-IDC - China Telecom CN 10,240 AS150145 CHINANET-HUBEI-SANXIA-IDC - China Telecom CN 8,448 AS148969 CHINANET-JIANGXI-LINKONG-IDC - China Telecom CN 8,192 AS132536 CHINANET-TIANJIN-MAN-NEW - China Telecom CN 6,400 AS138991 CHINATELECOM-GUANGXI-LIUZHOU-IDC - China Telecom CN 5,632 AS142608 ChinaNet-Anhui-Bengbu-IDC - China Telecom CN 4,864 AS151397 CT-eSurfingCloud-CDN - China Telecom CN 4,864 AS141006 CT-NEIMENGGU-WULANCHABU-MAN - China Telecom CN 4,096 AS132833 CHINANET-ANHUI-WUHU-NEWIDC - China Telecom CN 4,096 AS140903 CHINANET-HEBEI-BAODING-MAN - CHINA TELECOM CN 4,096 AS138570 CT-Anqing-IDC - China Telecom CN 2,304 AS132437 CHINANET-HUAIBEI-IDC - China Telecom CN 2,048 AS149979 ChinaNet-Hunan-Across-region-IDC - China Telecom CN 1,280 AS58518 CHINATELECOM-CDMANetwork-BG-Guangzhou - China Telecom CN 1,280
Similar-sized networks in China
ASN Name IPv4 addresses
AS137694 #104 CHINATELECOM-Xinjiang-Kezhou-MAN - CHINATELECOM Xinjiang Kezhou MAN network95,744 AS140553 #105 CHINATELECOM-XINJIANG-SHENGJI-5G-NETWORK - CHINATELECOM XINJIANG province Shengji 5G network86,016 AS58540 #106 CHINATELECOM-SHANDONG-JINAN-IDC - Jinan,25000084,992 AS23650 #108 CHINANET-Jiangsu-Province-IDC - AS Number for CHINANET jiangsu province backbone83,712 AS134238 #109 CT-Jiangxi-IDC - CHINANET Jiangx province IDC network83,712 AS137702 #110 CHINATELECOM-JIANGSU-NANJING-IDC - Nanjing, Jiangsu Province, P.R.China.82,432
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources