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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. | 56.5M | 21,306 |
| 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.
6,624 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 | 2,105 |
| 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 | 1,214 |
| AS56046CN | CMNET-Jiangsu-AP - China Mobile communications corporation | 7.9M | 5,212 |
| AS144403-218 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS145969CN | AS145969-248 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145040CN | AS145040-343 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146353CN | AS146353-120 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143757CN | AS143757-84 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146553CN | AS146553-320 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140536CN | CHINATELECOM-HUBEI-SUIZHOU-5G-NETWORK - CHINATELECOM Hubei province Suizhou 5G network | — | 768 | 3 |
| AS143510CN | AS143510-347 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143796CN | AS143796-123 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142078CN | AS142078-12 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS145963CN | AS145963-242 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143525CN | AS143525-362 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144213CN | AS144213-28 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145049CN | AS145049-352 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142685CN | AS142685-36 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143349CN | AS143349-186 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143343CN | AS143343-180 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144138CN | AS144138-465 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143376CN | AS143376-213 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143206CN | AS143206-43 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144281CN | AS144281-96 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143626CN | AS143626-463 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143516CN | AS143516-353 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143873CN | AS143873-200 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144832CN | AS144832-135 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145198CN | AS145198-501 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146106CN | AS146106-385 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144126CN | AS144126-453 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144135CN | AS144135-462 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS134477CN | JUNRUIYUN-AS-AP - Shaoxing Junruiyunjisuan Co Ltd | — | 1 | 1 |
| AS143486CN | AS143486-323 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146139CN | AS146139-418 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144695CN | AS144695-510 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143665CN | AS143665-502 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144088CN | AS144088-415 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145374CN | AS145374-165 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145648CN | AS145648-439 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142848CN | AS142848-199 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142745CN | AS142745-96 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146645CN | AS146645-412 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146711CN | AS146711-478 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146291CN | AS146291-58 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145225CN | AS145225-16 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143400CN | AS143400-237 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143763CN | AS143763-90 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142959CN | AS142959-310 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143894CN | AS143894-221 - China Education and Research Network (CERNET) | — | 65.5K | 1 |