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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 | 1,356 |
| AS4837CN | CHINA169-Backbone - CHINA UNICOM China169 Backbone | 59.3M | 2,151 |
| AS9808CN | CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | 56.6M | 21,409 |
| AS4538CN | ERX-CERNET-BKB - China Education and Research Network Center | 42.8M | 5,062 |
| 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.
6,627 autonomous systems registered to China. Click an AS for detail.
| 20.8M |
| 860 |
| AS4812CN | CHINANET-SH-AP - China Telecom (Group) | 13.6M | 579 |
| AS4808CN | CHINA169-BJ - China Unicom Beijing Province Network | 13.3M | 2,111 |
| AS45090CN | TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited | 12.3M | 2,253 |
| AS45102CN | ALIBABA-CN-NET - Alibaba (US) Technology Co., Ltd. | 11.2M | 1,317 |
| AS56046CN | CMNET-Jiangsu-AP - China Mobile communications corporation | 7.9M | 5,281 |
| CHINATELECOM-Guangdong-IDC - Guangdong |
| 34K |
| 130.8K |
| 54 |
| AS38027CN | MOST-AS-AP - Information Center, Ministry of Sci and Tech | 36.4K | — | 15 |
| AS63648CN | XJKJ - Beijing Xiaoju Science and Technology Co., Ltd. | 36.9K | — | 17 |
| AS151823CN | CT-Centralsouth-China-IIP - China Telecom | 37.6K | 5.4K | 20 |
| AS139203CN | CHINANET-Guizhou-Guian-IDC - Guizhou GuiAn IDC | 37.6K | 33 | 23 |
| AS136959CN | UNICOM-FuoShan-IDC - China Unicom Guangdong IP network | 37.9K | 257 | 94 |
| AS17964CN | DXTNET - Beijing Dian-Xin-Tong Network Technologies Co., Ltd. | 38.1K | — | 66 |
| AS137698CN | CHINATELECOM-HEILONGJIANG-HANAN-IDC - Haerbing , Heilongjiang Province, P.R.China. | 41.2K | 33.8K | 73 |
| 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 |
| AS134766CN | CHINANET-YUNNAN-IDC2 - CHINANET Yunnan province IDC2 network | 44K | 16.4K | 52 |
| AS146966CN | CHINANET-YANGZHOUNORTH-IDC - China Telecom | 44.5K | 839 | 182 |
| AS17775CN | STN-CN - shanghai science and technology network communication limited company | 45.1K | 1 | 69 |
| AS133776CN | CHINATELECOM-Fujian-Quanzhou-IDC1 - Quanzhou | 45.3K | 18.7K | 62 |
| AS146817CN | FXNET - Hubei Feixun Network Co., Ltd | 45.6K | — | 51 |
| AS55967CN | Baidu - Beijing Baidu Netcom Science and Technology Co., Ltd. | 46.3K | 8.2K | 42 |
| AS137693CN | CHINATELECOM-Guangxi-Nanning-IDC - CHINATELECOM Guangxi Nanning IDC networkdescr: Nanning , Guangxi Province, P.R.China. | 46.6K | 7.4K | 126 |
| AS4816CN | CHINANET-IDC-GD - China Telecom (Group) | 48.4K | 12.8K | 59 |
| AS134761CN | CHINANET-NINGXIA-ZHONGWEI-IDC - CHINANET NINGXIA province ZHONGWEI IDC network | 50.9K | — | 56 |
| AS141425CN | CMNET-GUANGDONG-CN - China Mobile Group Guangdong communications corporation | 51.2K | 50 | 135 |
| AS137689CN | CHINATELECOM-IOT-JIANGSU-Network - IOT Jiangsu network, Chinatelecom, P.R.China. | 55K | 3K | 163 |
| AS63838CN | CT-HuNan-Hengyang-IDC - Hengyang | 55K | 8.5K | 28 |
| AS141998CN | CHINANET-LANZHOU-IDC - China Telecom | 55K | — | 160 |
| AS138169CN | ASEAN-INTERNATIONAL-INFORMATION-GARDEN-IDC - China Telecom | 55.3K | 7.2K | 83 |
| AS140979CN | UNICOM-SHFT-IDC - China Unicom Shanghai FuTe IDC network | 57.1K | 65 | 193 |
| AS58539CN | CHINATELECOM-Hebei-Langfang-IDC - Langfang,Hebei province, P.R.China | 58.4K | 8.2K | 89 |
| AS141771CN | CHINANET-HEBEI-ZHANGJIAKOU-MAN - China Telecom | 60.4K | 258 | 60 |
| AS140345CN | CHINATELECOM-YUNNAN-SHENGJI-5G-NETWORK - CHINATELECOM Yunnan province Shengji 5G network | 63.2K | 12.9K | 248 |
| AS18239CN | CAPNET - NO.11 Xi San Huan Zhong Road,Beijing | 65.5K | 65.5K | 8 |
| AS137539CN | UNICOM-Harbin-IDC - China Unicom | 65.5K | 65.5K | 2 |
| AS37937CN | eGovNet - China eGovNet Information Center | 65.5K | — | 1 |
| AS24361CN | CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast University | 65.5K | 393.4K | 196 |
| AS24364CN | CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | 65.5K | 196.7K | 64 |
| AS56019CN | SHUJUJIA - Beijing ShuJuJia Technology Co., Ltd. | 65.5K | — | 1 |
| AS17789CN | CNCGROUP-SH-IDC - CNCGROUP IP network of ShangHai IDC | 65.5K | — | 2 |
| AS137688CN | CHINATELECOM-Liaoning-Benxi-MAN - CHINATELECOM Liaoning Benxi MAN | 66K | — | 13 |
| AS134542CN | UNICOM-GUIAN - China Unicom IP network | 66.6K | 65.5K | 11 |
| AS58851CN | YOUWE - Priority of Fashion(Beijing)Information Technology Co.,Ltd | 66.6K | — | 11 |
| AS45075CN | CRI - China Central Television | 67.3K | — | 5 |
| AS132510CN | ShanXiMCC-IDC - IDC ShanXi China Mobile communications corporation | 67.6K | 514 | 29 |
| AS138950CN | CHINATELECOM-Jiangsu-Wuxi-International-IDC - Jiangsu Wuxi International IDC network | 68.4K | 2.3K | 80 |
| AS133118CN | UNICOM-CN - China Unicom IP network | 69.1K | 65.5K | 17 |
| AS134760CN | ChinaNet-Hebei-Shijiazhuang-IDC - Shijiazhuang IDC network, CHINANET Hebei province | 69.1K | 9.2K | 49 |
| AS24143CN | CNNIC-QCN-AP - Qingdao Cable TV Network Center | 69.6K | — | 3 |
| AS134771CN | CHINATELECOM-ZHEJIANG-WENZHOU-IDC - WENZHOU, ZHEJIANG Province, P.R.China. | 69.6K | 24.6K | 89 |
| AS45061CN | SIN - Shanghai Information Network Co.,Ltd. | 71.7K | 65.5K | 12 |
| AS134543CN | UNICOM-DongGuan-IDC - China Unicom Guangdong IP network | 72.7K | 10.5K | 784 |