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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 | 2,131 |
| AS9808CN | CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | 56.5M | 21,305 |
| AS4538CN | ERX-CERNET-BKB - China Education and Research Network Center | 42.4M | 5,848 |
| AS37963CN | ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | 20.4M | 850 |
| AS4812CN | CHINANET-SH-AP - China Telecom (Group) | 13.6M | 564 |
| AS4808CN | CHINA169-BJ - China Unicom Beijing Province Network | 13.3M | 2,105 |
| 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 | 1,221 |
| AS56046CN | CMNET-Jiangsu-AP - China Mobile communications corporation | 7.9M | 5,212 |
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.
6,622 autonomous systems registered to China. Click an AS for detail.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS140979CN | UNICOM-SHFT-IDC - China Unicom Shanghai FuTe IDC network | 57.1K | 65 | 193 |
| AS138169CN | ASEAN-INTERNATIONAL-INFORMATION-GARDEN-IDC - China Telecom | 55.3K | 7.2K | 83 |
| AS137689CN | CHINATELECOM-IOT-JIANGSU-Network - IOT Jiangsu network, Chinatelecom, P.R.China. | 55K | 3K | 163 |
| AS141998CN | CHINANET-LANZHOU-IDC - China Telecom | 55K | — | 160 |
| AS63838CN | CT-HuNan-Hengyang-IDC - Hengyang | 54.8K | 8.5K | 27 |
| AS141425CN | CMNET-GUANGDONG-CN - China Mobile Group Guangdong communications corporation | 51.2K | 50 | 135 |
| AS134761CN | CHINANET-NINGXIA-ZHONGWEI-IDC - CHINANET NINGXIA province ZHONGWEI IDC network | 50.7K | — | 55 |
| AS137693CN | CHINATELECOM-Guangxi-Nanning-IDC - CHINATELECOM Guangxi Nanning IDC networkdescr: Nanning , Guangxi Province, P.R.China. | 46.6K | 7.4K | 126 |
| AS55967CN | Baidu - Beijing Baidu Netcom Science and Technology Co., Ltd. | 46.1K | 8.2K | 41 |
| AS146817CN | FXNET - Hubei Feixun Network Co., Ltd | 45.6K | — | 51 |
| AS133776CN | CHINATELECOM-Fujian-Quanzhou-IDC1 - Quanzhou | 45.3K | 18.7K | 62 |
| AS17775CN | STN-CN - shanghai science and technology network communication limited company | 44.5K | 1 | 67 |
| AS134766CN | CHINANET-YUNNAN-IDC2 - CHINANET Yunnan province IDC2 network | 44K | 16.4K | 52 |
| AS134765CN | CHINANET-YUNNAN-IDC1 - CHINANET Yunnan province IDC1 network | 43.3K | 8.2K | 82 |
| AS23853CN | CNNIC-DSNET-AP - Shanghai Data Solution Co., Ltd. | 43.3K | 65.5K | 88 |
| AS137698CN | CHINATELECOM-HEILONGJIANG-HANAN-IDC - Haerbing , Heilongjiang Province, P.R.China. | 41.2K | 33.8K | 73 |
| AS4816CN | CHINANET-IDC-GD - China Telecom (Group) | 40.2K | 12.8K | 57 |
| AS146966CN | CHINANET-YANGZHOUNORTH-IDC - China Telecom | 38.7K | 833 | 156 |
| AS17964CN | DXTNET - Beijing Dian-Xin-Tong Network Technologies Co., Ltd. | 38.1K | — | 66 |
| AS136959CN | UNICOM-FuoShan-IDC - China Unicom Guangdong IP network | 37.6K | 577 | 113 |
| AS151823CN | CT-Centralsouth-China-IIP - China Telecom | 37.6K | 5.4K | 20 |
| AS139203CN | CHINANET-Guizhou-Guian-IDC - Guizhou GuiAn IDC | 37.6K | 33 | 23 |
| AS63648CN | XJKJ - Beijing Xiaoju Science and Technology Co., Ltd. | 36.9K | — | 17 |
| AS38027CN | MOST-AS-AP - Information Center, Ministry of Sci and Tech | 36.4K | — | 15 |
| AS139587CN | CHINANET-Henan-Zhengzhou-Shujugang-IDC - China Telecom Henan Zhengzhou Shujugang IDC network | 33.8K | 21K | 61 |
| AS140716CN | UNICOM-JSWX-IDC - UNICOM JiangSu WuXi IDC network | 33.3K | 4.4K | 73 |
| AS138378CN | CNGI-KMN-IX-AS-AP - CERNET2 regional IX at Yunnan University | 32.8K | 65.6K | 64 |
| AS139201CN | CHINANET-Jiangxi-Jiujiang-IDC - Jiangxi Jiujiang IDC | 32.5K | 9.2K | 63 |
| AS138407CN | CMNET-GZIDC-CN - The Internet Data Center of Guizhou Mobile Communication Company Limited | 31.7K | 346 | 120 |
| AS37965CN | CNNIC-PBSL-AP - Pacnet Business Solutions LTD | 30.7K | 47 | 82 |
| AS134764CN | CT-FoShan-IDC - CHINANET Guangdong province network | 27.6K | 12.5K | 24 |
| AS133111CN | CNT-northChina - CERNET New Technology Co., Ltd | 27.4K | 134.7M | 11 |
| AS140105CN | CMNET-SNIDC-CN-AP - Shaanxi Mobile Communication Company Limited | 26.9K | 56 | 32 |
| AS133775CN | CHINATELECOM-Fujian-Xiamen-IDC1 - Xiamen | 26.6K | 24.1K | 52 |
| AS137692CN | CHINATELECOM-IOT-GUANGDONG-Network - IOT Guangdong network, Chinatelecom, P.R.China. | 26.4K | 3.4K | 99 |
| AS148981CN | CHINANET-HUBEI-SHIYAN-IDC - China Telecom | 25.9K | — | 34 |
| AS63647CN | WJHTEDU - Beijing WangJu Interworking Information Technology Co. LTD | 25.6K | 6 | 17 |
| AS55999CN | SAKURA-TELECOM - Shanghai Sakura Communications Co., Ltd., | 24.6K | — | 14 |
| AS45110CN | CBCnet - Beijing Tian Wei Xin Tong technology corp. limited. | 23.3K | 1 | 44 |
| AS24348CN | CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University | 23K | 1 | 13 |
| AS139220CN | CHINANET-Sichuan-Chuanxi-IDC - Sichuan Chuanxn IDC | 22.5K | 4.6K | 76 |
| AS152672CN | AIYUN-AS-AP - Aiyun (HK) Network | 22K | — | 86 |
| AS140717CN | UNICOM-JSSZ-IDC - UNICOM JiangSu Suzhou IDC network | 22K | 4.1K | 38 |
| AS58772CN | ChinaNet-Fujian-Fuzhou-IDC - CHINANET Fujian province Fuzhou IDC network | 22K | 20.7K | 32 |
| AS132225CN | CHINATELECOM-QINGHAI-5G-NETWORK - China Telecom | 21K | 2.9K | 206 |
| AS9809CN | NovaNetwork - SHENZHEN NOVA TECHNOLOGIES DEVELOPMENT.,LTD. | 21K | — | 27 |
| 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 |
| AS134425CN | CHINANET-HEFEI-QIMENLU-IDC - China Telecom | 19.5K | — | 16 |