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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 |
| AS143278-115 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS145922CN | AS145922-201 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146425CN | AS146425-192 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145981CN | AS145981-260 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146315CN | AS146315-82 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151430CN | AS151430-8 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS138371CN | CNGI-QDA-IX-AS-AP - CERNET2 regional IX at Ocean University of China | — | 65.5K | 1 |
| AS144323CN | AS144323-138 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145749CN | AS145749-28 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142730CN | AS142730-81 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143227CN | AS143227-64 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144457CN | AS144457-272 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151424CN | AS151424-2 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS146383CN | AS146383-150 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145770CN | AS145770-49 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143299CN | AS143299-136 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143272CN | AS143272-109 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144180CN | AS144180-507 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144990CN | AS144990-293 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142742CN | AS142742-93 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146514CN | AS146514-281 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143287CN | AS143287-124 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146261CN | AS146261-28 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146550CN | AS146550-317 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145335CN | AS145335-126 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146303CN | AS146303-70 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145841CN | AS145841-120 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142900CN | AS142900-251 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143546CN | AS143546-383 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145621CN | AS145621-412 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144847CN | AS144847-150 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143159CN | AS143159-510 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144808CN | AS144808-111 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146050CN | AS146050-329 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143239CN | AS143239-76 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142855CN | AS142855-206 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145209CN | AS145209-512 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142721CN | AS142721-72 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146136CN | AS146136-415 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144799CN | AS144799-102 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145088CN | AS145088-391 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143251CN | AS143251-88 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145487CN | AS145487-278 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143078CN | AS143078-429 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142894CN | AS142894-245 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143409CN | AS143409-246 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142694CN | AS142694-45 - China Education and Research Network (CERNET) | — | 65.5K | 1 |