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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 | 21,289 |
| 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.
6,623 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 | 2,105 |
| 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 | 5,217 |
| AS145493-284 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS143062CN | AS143062-413 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143218CN | AS143218-55 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143321CN | AS143321-158 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143019CN | AS143019-370 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143893CN | AS143893-220 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144069CN | AS144069-396 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145137CN | AS145137-440 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143191CN | AS143191-28 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144488CN | AS144488-303 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146147CN | AS146147-426 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146167CN | AS146167-446 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145608CN | AS145608-399 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143568CN | AS143568-405 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142884CN | AS142884-235 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143979CN | AS143979-306 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142967CN | AS142967-318 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144468CN | AS144468-283 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144917CN | AS144917-220 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144851CN | AS144851-154 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146279CN | AS146279-46 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143413CN | AS143413-250 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144960CN | AS144960-263 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146681CN | AS146681-448 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145243CN | AS145243-34 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142794CN | AS142794-145 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145463CN | AS145463-254 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142934CN | AS142934-285 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142724CN | AS142724-75 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145426CN | AS145426-217 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145981CN | AS145981-260 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140366CN | CHINATELECOM-HUNAN-HENGYANG-5G-NETWORK - CHINATELECOM Hunan province Hengyang 5G network | — | 3 | 3 |
| AS146276CN | AS146276-43 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144650CN | AS144650-465 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145512CN | AS145512-303 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145122CN | AS145122-425 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS137835CN | NATCHAN-AS - Nathaniel Chan Jie Le | — | 1 | 1 |
| AS144849CN | AS144849-152 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145448CN | AS145448-239 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145730CN | AS145730-9 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145707CN | AS145707-498 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140365CN | CHINATELECOM-HUNAN-CHANGSHA-5G-NETWORK - CHINATELECOM Hunan province Changsha 5G network | — | 3 | 3 |
| AS143275CN | AS143275-112 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143962CN | AS143962-289 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143028CN | AS143028-379 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143188CN | AS143188-25 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS49904CN | KOSAKA Xiaodong Qi | — | 9 | 7 |