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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 |
| REIA-NETWORK Jinquan Zeng |
| — |
| 4 |
| 4 |
| AS144726CN | AS144726-29 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144369CN | AS144369-184 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146024CN | AS146024-303 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145655CN | AS145655-446 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143056CN | AS143056-407 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143077CN | AS143077-428 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145500CN | AS145500-291 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145286CN | AS145286-77 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144259CN | AS144259-74 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143169CN | AS143169-6 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145673CN | AS145673-464 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144360CN | AS144360-175 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144893CN | AS144893-196 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144613CN | AS144613-428 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145509CN | AS145509-300 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142946CN | AS142946-297 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143205CN | AS143205-42 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144991CN | AS144991-294 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144866CN | AS144866-169 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146453CN | AS146453-220 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143684CN | AS143684-11 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145033CN | AS145033-336 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145766CN | AS145766-45 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146575CN | AS146575-342 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146486CN | AS146486-253 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145408CN | AS145408-199 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146688CN | AS146688-455 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143750CN | AS143750-77 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146176CN | AS146176-455 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144720CN | AS144720-23 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS137721CN | AS137721-13 - China Internet Network Information Center | — | 67.6K | 2 |
| AS143303CN | AS143303-140 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144881CN | AS144881-184 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144098CN | AS144098-425 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144235CN | AS144235-50 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143941CN | AS143941-268 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146742CN | AS146742-509 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146203CN | AS146203-482 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144393CN | AS144393-208 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144736CN | AS144736-39 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142827CN | AS142827-178 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146379CN | AS146379-146 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145545CN | AS145545-336 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145158CN | AS145158-461 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144265CN | AS144265-80 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143339CN | AS143339-176 - China Education and Research Network (CERNET) | — | 65.5K | 1 |