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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 | 21,289 |
| AS4538CN | ERX-CERNET-BKB - China Education and Research Network Center | 42.7M | 5,956 |
| 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.
6,623 autonomous systems registered to China. Click an AS for detail.
| 20.4M |
| 850 |
| AS4812CN | CHINANET-SH-AP - China Telecom (Group) | 13.6M | 565 |
| 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 | 5,217 |
| AS145880-159 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS144963CN | AS144963-266 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144219CN | AS144219-34 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145850CN | AS145850-129 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142879CN | AS142879-230 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145136CN | AS145136-439 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146151CN | AS146151-430 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145642CN | AS145642-433 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145934CN | AS145934-213 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146517CN | AS146517-284 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142828CN | AS142828-179 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143903CN | AS143903-230 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144942CN | AS144942-245 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145219CN | AS145219-10 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144073CN | AS144073-400 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145597CN | AS145597-388 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145329CN | AS145329-120 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144189CN | AS144189-4 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144457CN | AS144457-272 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146017CN | AS146017-296 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144570CN | AS144570-385 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS132479CN | JUSTKEEPMEEDO-AS-AP - Xue Desen | — | 2 | 2 |
| AS144996CN | AS144996-299 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145225CN | AS145225-16 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143013CN | AS143013-364 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142072CN | AS142072-6 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS143349CN | AS143349-186 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142102CN | AS142102-36 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS145180CN | AS145180-483 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143781CN | AS143781-108 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145121CN | AS145121-424 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146651CN | AS146651-418 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146678CN | AS146678-445 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144519CN | AS144519-334 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146332CN | AS146332-99 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146097CN | AS146097-376 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143248CN | AS143248-85 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146294CN | AS146294-61 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS215507CN | AS-MIANTIAO-LAB KAI BI | — | 1 | 1 |
| AS144141CN | AS144141-468 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144609CN | AS144609-424 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144814CN | AS144814-117 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144993CN | AS144993-296 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143400CN | AS143400-237 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146109CN | AS146109-388 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144347CN | AS144347-162 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144701CN | AS144701-4 - China Education and Research Network (CERNET) | — | 65.5K | 1 |