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AS140638
AS140638 China Telecom
CHINANET-IOT-SICHUAN - China Telecom · registered in China
IPv4 addresses 14,848 14 prefixes · <0.001% of announced IPv4
Rank in China #216 largest network in CN by IPv4 space, of 601 · <0.01% of CN
Rank worldwide #7,382 of 79,396 networks with IPv4
IPv6 3,296 x /48 30 prefixes
Country China 5,117 ASNs registered there
IPv4 prefixes
All 14 prefixes, in address order.
36.113.178.0/23 36.113.180.0/22 36.113.210.0/23 36.113.212.0/24 36.113.215.0/24 36.113.216.0/22 117.61.0.0/20 117.61.56.0/21 117.61.64.0/22 117.61.72.0/21 117.61.134.0/24 117.61.143.0/24 117.61.146.0/23 117.61.148.0/22
IPv6 prefixes
All 30 prefixes.
240e:874::/40 240e:874:100::/41 240e:874:180::/42 240e:874:1c0::/43 240e:874:200::/41 240e:874:280::/42 240e:874:300::/41 240e:874:380::/42 240e:874:500::/42 240e:874:540::/43 240e:874:600::/42 240e:874:640::/43 240e:874:700::/42 240e:874:740::/43 240e:874:780::/42 240e:874:800::/42 240e:874:840::/43 240e:874:880::/42 240e:874:8c0::/43 240e:874:900::/40 240e:874:a00::/39 240e:874:c00::/41 240e:874:c80::/42 240e:874:e00::/42 240e:874:e80::/41 240e:874:f00::/40 240e:874:1000::/41 240e:874:1100::/40 240e:874:1200::/43 240e:875:8000::/42
Other ASNs named China Telecom
35 other networks use the same organisation name; together with AS140638 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
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
AS131562 #213 HNCATV - HUNAN CATV Network Group CO.,LTD.16,128
AS24369 #214 CNGI-SY-IX-AS-AP - CERNET2 IX at Northeast University15,360
AS140636 #215 CHINANET-IOT-BEIJING - China Telecom14,848
AS23848 #217 PINGANCOM - Shenzhen Ping An Communication Technology Co.,Ltd14,848
AS45110 #218 CBCnet - Beijing Tian Wei Xin Tong technology corp. limited.14,848
AS136192 #219 CHINATELECOM-HUBEI-XIANGYANG-IDC - Xiangyang, Hubei Province, P.R.China.14,336
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