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AS151397
AS151397 China Telecom
CT-eSurfingCloud-CDN - China Telecom · registered in China
IPv4 addresses 4,864 13 prefixes · <0.001% of announced IPv4
Rank in China #281 largest network in CN by IPv4 space, of 601 · <0.01% of CN
Rank worldwide #13,951 of 79,396 networks with IPv4
IPv6 5 x /48 5 prefixes
Country China 5,117 ASNs registered there
IPv4 prefixes
All 13 prefixes, in address order.
193.119.0.0/24 193.119.4.0/24 193.119.6.0/23 193.119.8.0/22 193.119.12.0/23 193.119.15.0/24 193.119.17.0/24 193.119.19.0/24 193.119.20.0/23 193.119.22.0/24 193.119.25.0/24 193.119.28.0/24 193.119.30.0/24
IPv6 prefixes
All 5 prefixes.
240e:983:2010::/48 240e:983:2013::/48 240e:983:2020::/48 240e:983:2022::/48 240e:983:2030::/48
Other ASNs named China Telecom
35 other networks use the same organisation name; together with AS151397 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 AS151185 CT-XIANGYANG-IDC2 - China Telecom CN 83,968 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 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
AS9810 #278 TNSNET - Beijing Times Netstar Technology Co.,Ltd5,120 AS24427 #279 FREENET - Freecomm Corporation5,120 AS142608 #280 ChinaNet-Anhui-Bengbu-IDC - China Telecom4,864 AS4611 #282 xinhuanet - CNNIC member4,864 AS55996 #283 CYPRESSTEL - CYPRESS TELECOM (CHINA) LIMITED4,608 AS59067 #284 MMAISNET - Microsoft Mobile Alliance Internet Services Co., Ltd4,608
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