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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 | 21,286 |
| 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 | 565 |
| AS4808CN | CHINA169-BJ - China Unicom Beijing Province Network | 13.3M | 2,106 |
| 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 | 1,216 |
| AS56046CN | CMNET-Jiangsu-AP - China Mobile communications corporation | 7.9M | 5,203 |
| AS146021-300 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS144422CN | AS144422-237 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145151CN | AS145151-454 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145550CN | AS145550-341 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144374CN | AS144374-189 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146589CN | AS146589-356 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143347CN | AS143347-184 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143728CN | AS143728-55 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS214921CN | JudgeDuck-net Yisong Wang | — | 18 | 3 |
| AS146271CN | AS146271-38 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143990CN | AS143990-317 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143344CN | AS143344-181 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145991CN | AS145991-270 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142850CN | AS142850-201 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146670CN | AS146670-437 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146631CN | AS146631-398 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146119CN | AS146119-398 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143207CN | AS143207-44 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144133CN | AS144133-460 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143237CN | AS143237-74 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142707CN | AS142707-58 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145607CN | AS145607-398 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145955CN | AS145955-234 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145294CN | AS145294-85 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144574CN | AS144574-389 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146226CN | AS146226-505 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143472CN | AS143472-309 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145717CN | AS145717-508 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145068CN | AS145068-371 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145098CN | AS145098-401 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143660CN | AS143660-497 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143633CN | AS143633-470 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143174CN | AS143174-11 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145824CN | AS145824-103 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144883CN | AS144883-186 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143073CN | AS143073-424 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143124CN | AS143124-475 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144139CN | AS144139-466 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142093CN | AS142093-27 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS203655CN | ZHIWENSUN zhiwensun | — | 36 | 6 |
| AS145154CN | AS145154-457 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144371CN | AS144371-186 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS198266CN | YNN5-NET Yunrui Gu | — | 1 | 1 |
| AS145479CN | AS145479-270 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143627CN | AS143627-464 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143133CN | AS143133-484 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145086CN | AS145086-389 - China Education and Research Network (CERNET) | — | 65.5K | 1 |