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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 |
| AS142705-56 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS145125CN | AS145125-428 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144503CN | AS144503-318 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145006CN | AS145006-309 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145923CN | AS145923-202 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143836CN | AS143836-163 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143690CN | AS143690-17 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145444CN | AS145444-235 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145372CN | AS145372-163 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140531CN | CHINATELECOM-HUBEI-JINGMEN-5G-NETWORK - CHINATELECOM Hubei province Jingmen 5G network | — | 768 | 3 |
| AS145703CN | AS145703-494 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144271CN | AS144271-86 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146507CN | AS146507-274 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143491CN | AS143491-328 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS138635CN | CHINATELECOM-SHAANXI-ANKANG-5G-NETWORK - CHINATELECOM Shaanxi province Ankang 5G network | — | 4 | 4 |
| AS145560CN | AS145560-351 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144524CN | AS144524-339 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142708CN | AS142708-59 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143848CN | AS143848-175 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145646CN | AS145646-437 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS138438CN | CNGI-GLN-IX-AS-AP - CERNET2 regional IX at Guangxi Normal University | — | 196.6K | 29 |
| AS146435CN | AS146435-202 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143595CN | AS143595-432 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144086CN | AS144086-413 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143857CN | AS143857-184 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144491CN | AS144491-306 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145509CN | AS145509-300 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS205618CN | ORZFLY Yichen Lu | — | 1 | 1 |
| AS144521CN | AS144521-336 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142830CN | AS142830-181 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143211CN | AS143211-48 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145724CN | AS145724-3 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145271CN | AS145271-62 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143273CN | AS143273-110 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143815CN | AS143815-142 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145417CN | AS145417-208 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143622CN | AS143622-459 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146605CN | AS146605-372 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144467CN | AS144467-282 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144783CN | AS144783-86 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145301CN | AS145301-92 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142776CN | AS142776-127 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146474CN | AS146474-241 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143187CN | AS143187-24 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145512CN | AS145512-303 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144935CN | AS144935-238 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145661CN | AS145661-452 - China Education and Research Network (CERNET) | — | 65.5K | 1 |