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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 |
| AS143360-197 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS145432CN | AS145432-223 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143065CN | AS143065-416 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143884CN | AS143884-211 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144444CN | AS144444-259 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143681CN | AS143681-8 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143416CN | AS143416-253 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146108CN | AS146108-387 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145429CN | AS145429-220 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142904CN | AS142904-255 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146489CN | AS146489-256 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143276CN | AS143276-113 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145760CN | AS145760-39 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144143CN | AS144143-470 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143590CN | AS143590-427 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144321CN | AS144321-136 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143834CN | AS143834-161 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146072CN | AS146072-351 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142657CN | AS142657-8 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143842CN | AS143842-169 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145391CN | AS145391-182 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146027CN | AS146027-306 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146210CN | AS146210-489 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143399CN | AS143399-236 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS138442CN | CNGI-LSA-IX-AS-AP - CERNET2 regional IX at Tibet University | — | 4 | 4 |
| AS145233CN | AS145233-24 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145266CN | AS145266-57 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146682CN | AS146682-449 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143801CN | AS143801-128 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146206CN | AS146206-485 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142857CN | AS142857-208 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143310CN | AS143310-147 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143441CN | AS143441-278 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145531CN | AS145531-322 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140260CN | CHINATELECOM-ANHUI-XUANCHENG-5G-NETWORK - CHINATELECOM Anhui province Xuancheng 5G network | — | 3 | 3 |
| AS146090CN | AS146090-369 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145224CN | AS145224-15 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145908CN | AS145908-187 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144149CN | AS144149-476 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145292CN | AS145292-83 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146329CN | AS146329-96 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145108CN | AS145108-411 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146629CN | AS146629-396 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144539CN | AS144539-354 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142914CN | AS142914-265 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144717CN | AS144717-20 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144598CN | AS144598-413 - China Education and Research Network (CERNET) | — | 65.5K | 1 |