Networks in China

5,117 autonomous systems are registered in China (CN). Together they announce 292,235,135 IPv4 addresses, 9.33% of the announced total, which ranks China #2 of 240 countries.

Autonomous systems5,117601 announce IPv4, 4516 IPv6 only

IPv4 addresses292,235,1359.33% of announced IPv4 · #2 worldwide

Top 5 networks hold68.2%of China's IPv4 space

IPv625,389 x /32 (1,663,944,145 x /48)4882 of 5117 networks (95%) announce IPv6

Small networks86announce a single /24 (256 addresses) or less

Look up AS4134, the largest network in CN Look up any IP or ASN

Top 50 networks in China by IPv4 space

#ASNNetworkIPv4 addressesOf CN

1 AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street 99,036,416 33.89%

2 AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone 57,221,376 19.58%

3 AS9808 CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. 17,288,448 5.92%

4 AS4538 ERX-CERNET-BKB - China Education and Research Network Center 16,445,696 5.63%

5 AS37963 ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. 9,425,920 3.23%

6 AS4812 CHINANET-SH-AP - China Telecom (Group) 7,882,496 2.70%

7 AS4808 CHINA169-BJ - China Unicom Beijing Province Network 7,176,704 2.46%

8 AS45090 TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited 6,189,824 2.12%

9 AS45102 ALIBABA-CN-NET - Alibaba (US) Technology Co., Ltd. 5,571,840 1.91%

10 AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation 3,631,872 1.24%

11 AS4847 CNIX-AP - China Networks Inter-Exchange 3,607,552 1.23%

12 AS56041 CMNET-Zhejiang-AP - China Mobile communications corporation 2,990,592 1.02%

13 AS9394 CTTNET - China TieTong Telecommunications Corporation 2,664,704 0.91%

14 AS17816 CHINA169-GZ - China Unicom IP network China169 Guangdong province 2,657,280 0.91%

15 AS132203 TENCENT-NET-AP-CN - Tencent Building, Kejizhongyi Avenue 2,175,999 0.74%

16 AS23724 CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation 2,151,424 0.74%

17 AS56045 CMNET-Jiangxi-AP - China Mobile communications corporation 1,968,384 0.67%

18 AS24445 CMNET-V4henan-AS-AP - Henan Mobile Communications Co.,Ltd 1,939,456 0.66%

19 AS24444 CMNET-V4shandong-AS-AP - Shandong Mobile Communication Company Limited 1,846,016 0.63%

20 AS9812 CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. 1,785,856 0.61%

21 AS55990 HWCSNET - Huawei Cloud Service data center 1,606,144 0.55%

22 AS140292 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - CHINATELECOM Jiangsu province Suzhou 5G network 1,512,192 0.52%

23 AS137266 CHINATELECOM-HUBEI-WUHAN-5G-NETWORK - CHINATELECOM Hubei province Wuhan 5G network 1,269,504 0.43%

24 AS56048 CMNET-BEIJING-AP - China Mobile Communicaitons Corporation 1,131,776 0.39%

25 AS17429 BGCTVNET - BEIJING GEHUA CATV NETWORK CO.LTD 999,680 0.34%

26 AS56044 CMNET-AS-Liaoning - China Mobile communications corporation 973,056 0.33%

27 AS4811 CHINANET-SHANGHAI-MAN - China Telecom (Group) 968,192 0.33%

28 AS7497 CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 867,840 0.30%

29 AS56040 CMNET-GuangDong-AP - China Mobile communications corporation 836,608 0.29%

30 AS17621 CNCGROUP-SH - China Unicom Shanghai network 805,120 0.28%

31 AS56047 CMNET-Hunan-AP - China Mobile communications corporation 786,176 0.27%

32 AS58593 BLUECLOUD - Shanghai Blue Cloud Technology Co.,Ltd 771,072 0.26%

33 AS24400 CMNET-V4shanghai-AS-AP - Shanghai Mobile Communications Co.,Ltd. 761,856 0.26%

34 AS17962 Topway-Net - ShenZhen Topway Video Communication Co. Ltd 722,944 0.25%

35 AS24547 CMNET-V4HEBEI-AS-AP - Hebei Mobile Communication Company Limited 721,664 0.25%

36 AS9929 CUII - CHINA UNICOM Industrial Internet Backbone 651,264 0.22%

37 AS24138 CTTNET - China TieTong Telecommunications Corporation 587,008 0.20%

38 AS17638 CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT 585,728 0.20%

39 AS4809 CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network 574,720 0.20%

40 AS56042 CMNET-Shanxi-AP - China Mobile communications corporation 537,600 0.18%

41 AS24139 WASUHZ - Huashu media&Network Limited 530,432 0.18%

42 AS58519 CHINATELECOM-Ctcloud - Cloud Computing Corporation 515,584 0.18%

43 AS137718 VOLCANO-ENGINE - Beijing Volcano Engine Technology Co., Ltd. 505,344 0.17%

44 AS23771 SXBCTV-AP - SXBCTV ,Internet Service Provider, 505,344 0.17%

45 AS17622 CNCGROUP-GZ - China Unicom Guangzhou network 498,688 0.17%

46 AS140061 CHINANET-Qinghai-AS-AP - Qinghai Telecom 482,048 0.16%

47 AS136199 ChinaNet-Guangdong-Yuedong-MAN - CHINANET Guangdong province Yuedong MAN network 471,808 0.16%

48 AS17623 CNCGROUP-SZ - China Unicom Shenzen network 455,936 0.16%

49 AS55960 BJ-GUANGHUAN-AP - Beijing Guanghuan Xinwang Digital 439,808 0.15%

50 AS17968 DQTNET - Daqing zhongji petroleum telecommunication construction limited cpmpany 438,272 0.15%

Countries of similar size

#1 United States #3 Japan #4 Germany #5 South Korea All countries

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