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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. |
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.
| 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 |
| AS145804-83 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS144774CN | AS144774-77 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144804CN | AS144804-107 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145545CN | AS145545-336 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144598CN | AS144598-413 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146620CN | AS146620-387 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146334CN | AS146334-101 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146215CN | AS146215-494 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146227CN | AS146227-506 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144247CN | AS144247-62 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143276CN | AS143276-113 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145143CN | AS145143-446 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146614CN | AS146614-381 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142824CN | AS142824-175 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144262CN | AS144262-77 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145289CN | AS145289-80 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143074CN | AS143074-425 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151440CN | AS151440-18 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS146596CN | AS146596-363 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146688CN | AS146688-455 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144997CN | AS144997-300 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143440CN | AS143440-277 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145554CN | AS145554-345 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145953CN | AS145953-232 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145033CN | AS145033-336 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143473CN | AS143473-310 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143086CN | AS143086-437 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145140CN | AS145140-443 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146715CN | AS146715-482 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146030CN | AS146030-309 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144866CN | AS144866-169 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144256CN | AS144256-71 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145968CN | AS145968-247 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145063CN | AS145063-366 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145825CN | AS145825-104 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146161CN | AS146161-440 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146548CN | AS146548-315 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144622CN | AS144622-437 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145518CN | AS145518-309 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146623CN | AS146623-390 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143497CN | AS143497-334 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146572CN | AS146572-339 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144890CN | AS144890-193 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146444CN | AS146444-211 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143184CN | AS143184-21 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143461CN | AS143461-298 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144583CN | AS144583-398 - China Education and Research Network (CERNET) | — | 65.5K | 1 |