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How China ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to China over time.
The largest autonomous systems registered to China by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS4134CN | CHINANET-BACKBONE - No.31,Jin-rong Street | 111.8M | 1,353 |
| AS4837CN | CHINA169-Backbone - CHINA UNICOM China169 Backbone | 59.3M | 2,132 |
| AS9808CN | CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | 56.4M | 21,291 |
| AS4538CN | ERX-CERNET-BKB - China Education and Research Network Center | 42.7M | 5,955 |
| AS37963CN | ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. |
China against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
6,624 autonomous systems registered to China. Click an AS for detail.
| 20.4M |
| 850 |
| AS4812CN | CHINANET-SH-AP - China Telecom (Group) | 13.6M | 564 |
| AS4808CN | CHINA169-BJ - China Unicom Beijing Province Network | 13.3M | 2,106 |
| AS45090CN | TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited | 12.2M | 2,247 |
| AS45102CN | ALIBABA-CN-NET - Alibaba (US) Technology Co., Ltd. | 10.8M | 1,226 |
| AS56046CN | CMNET-Jiangsu-AP - China Mobile communications corporation | 7.9M | 5,207 |
| CHINANET-JIANGSU-SUZHOU-TAIHU-IDC - CHINANET Jiangsu province Suzhou taihu IDC network |
| 13.1K |
| 4.1K |
| 56 |
| AS24151CN | CNNIC-CRITICAL-AP - China Internet Network Infomation Center | 13.1K | 65.8K | 65 |
| AS140083CN | CHINANET-ANHUI-AS-AP - China Telecom | 13.6K | 4.1K | 6 |
| AS45079CN | GDSNET - GDS CHANGAN SERVICES Ltd. | 13.6K | 3 | 18 |
| AS137690CN | CHINATELECOM-SHANDONG-ZAOZHUANG-IDC - Zaozhuang,Shandong Province, P.R.China. | 13.8K | 6.4K | 12 |
| AS140707CN | UNICOM-NXZW-IDC - UNICOM Ningxia province network | 14.1K | 10 | 35 |
| AS24430CN | Chinapost - Jia No.8, North Lishi Road, Xicheng Dist.Beijing, China | 14.3K | — | 56 |
| AS136192CN | CHINATELECOM-HUBEI-XIANGYANG-IDC - Xiangyang, Hubei Province, P.R.China. | 14.3K | 3.1K | 8 |
| AS17428CN | CHINA-ABITCOOL - 21Vianet.Co.,Ltd | 14.3K | 65.5K | 23 |
| AS140636CN | CHINANET-IOT-BEIJING - China Telecom | 14.8K | 3.5K | 178 |
| AS23848CN | PINGANCOM - Shenzhen Ping An Communication Technology Co.,Ltd | 14.8K | 13 | 71 |
| AS18242CN | CDIH - Chengdu Information Harbor Co., Ltd | 16.4K | — | 2 |
| AS24348CN | CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University | 16.4K | 1 | 2 |
| AS149178CN | CT-HEFEI-NANGANG-IDC - China Telecom | 16.6K | 4.6K | 8 |
| AS139018CN | CHINANET-Henan-Luoyang-IDC - Henan Luoyang IDC | 16.6K | 8.2K | 40 |
| AS149837CN | ChinaNet-JX-Yunhe-IDC - China Telecom | 16.9K | 3.1K | 14 |
| AS137699CN | CHINATELECOM-Jiangsu-Suqian-IDC - CHINATELECOM Jiangsu Suqian IDC network | 16.9K | 1 | 4 |
| AS136191CN | CHINATELECOM-HUBEI-YICHANG-IDC - YICHANG, Hubei Province, P.R.China. | 17.7K | 3.3K | 8 |
| AS134772CN | ChinaNet-Guangdong-Dongguan-MAN - CHINANET Guangdong province Dongguan MAN network | 18.4K | 98.3K | 55 |
| AS140638CN | CHINANET-IOT-SICHUAN - China Telecom | 18.4K | 3.3K | 107 |
| AS23842CN | SZINC-AS-AP - Shenzhen Information and Network Center | 18.7K | — | 11 |
| AS138982CN | CHINANET-Hubei-Jiangxia-IDC - Hubei Jiangxia IDC | 18.9K | 4.9K | 16 |
| AS7641CN | CHINABTN - China Broadcasting TV Net | 19.2K | 65.5K | 6 |
| AS131325CN | CHINATELECOM-JIANGSU-NANTONG-MAN - CHINATELECOM JIANGSU province NANTONG MAN network | 19.2K | 1.3K | 61 |
| AS134425CN | CHINANET-HEFEI-QIMENLU-IDC - China Telecom | 19.5K | — | 16 |
| AS63646CN | XJKJ - Beijing Xiaoju Science and Technology Co., Ltd. | 20.7K | 12 | 26 |
| AS132147CN | CT-SHANXI-MAN - No.3,Shu-Ma Road | 20.7K | 8.4K | 11 |
| AS24422CN | HTXX - Huizhan street, Renqiu city, Hebei, P. R. CHINA | 20.7K | — | 3 |
| AS132225CN | CHINATELECOM-QINGHAI-5G-NETWORK - China Telecom | 21K | 2.9K | 206 |
| AS9809CN | NovaNetwork - SHENZHEN NOVA TECHNOLOGIES DEVELOPMENT.,LTD. | 21K | — | 27 |
| AS58772CN | ChinaNet-Fujian-Fuzhou-IDC - CHINANET Fujian province Fuzhou IDC network | 22K | 20.7K | 32 |
| AS140717CN | UNICOM-JSSZ-IDC - UNICOM JiangSu Suzhou IDC network | 22K | 4.1K | 38 |
| AS152672CN | AIYUN-AS-AP - Aiyun (HK) Network | 22.3K | — | 87 |
| AS139220CN | CHINANET-Sichuan-Chuanxi-IDC - Sichuan Chuanxn IDC | 22.5K | 4.6K | 76 |
| AS45110CN | CBCnet - Beijing Tian Wei Xin Tong technology corp. limited. | 23.3K | 1 | 44 |
| AS55999CN | SAKURA-TELECOM - Shanghai Sakura Communications Co., Ltd., | 24.6K | — | 14 |
| AS63647CN | WJHTEDU - Beijing WangJu Interworking Information Technology Co. LTD | 25.6K | 7 | 18 |
| AS148981CN | CHINANET-HUBEI-SHIYAN-IDC - China Telecom | 25.9K | — | 34 |
| AS137692CN | CHINATELECOM-IOT-GUANGDONG-Network - IOT Guangdong network, Chinatelecom, P.R.China. | 26.4K | 3.4K | 99 |
| AS133775CN | CHINATELECOM-Fujian-Xiamen-IDC1 - Xiamen | 26.6K | 24.1K | 52 |
| AS140105CN | CMNET-SNIDC-CN-AP - Shaanxi Mobile Communication Company Limited | 26.9K | 56 | 32 |
| AS133111CN | CNT-northChina - CERNET New Technology Co., Ltd | 27.4K | 134.7M | 11 |
| AS134764CN | CT-FoShan-IDC - CHINANET Guangdong province network | 27.6K | 12.5K | 24 |
| AS37965CN | CNNIC-PBSL-AP - Pacnet Business Solutions LTD | 30.7K | 47 | 82 |
| AS138407CN | CMNET-GZIDC-CN - The Internet Data Center of Guizhou Mobile Communication Company Limited | 31.7K | 346 | 120 |
| AS139201CN | CHINANET-Jiangxi-Jiujiang-IDC - Jiangxi Jiujiang IDC | 32.5K | 9.2K | 63 |
| AS140716CN | UNICOM-JSWX-IDC - UNICOM JiangSu WuXi IDC network | 33.3K | 4.4K | 73 |