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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 | 1,357 |
| AS4837CN | CHINA169-Backbone - CHINA UNICOM China169 Backbone | 59.2M | 1,522 |
| AS9808CN | CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | 56.5M | 21,133 |
| AS4538CN | ERX-CERNET-BKB - China Education and Research Network Center | 40.8M | 5,738 |
| 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.
6,608 autonomous systems registered to China. Click an AS for detail.
| 20.3M |
| 813 |
| AS4812CN | CHINANET-SH-AP - China Telecom (Group) | 13.6M | 568 |
| AS4808CN | CHINA169-BJ - China Unicom Beijing Province Network | 13.3M | 2,220 |
| AS45090CN | TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited | 12.2M | 2,201 |
| AS45102CN | ALIBABA-CN-NET - Alibaba (US) Technology Co., Ltd. | 10.4M | 1,145 |
| AS56046CN | CMNET-Jiangsu-AP - China Mobile communications corporation | 7.8M | 5,131 |
| AS146308-75 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS146073CN | AS146073-352 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144495CN | AS144495-310 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143450CN | AS143450-287 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145266CN | AS145266-57 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143310CN | AS143310-147 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146302CN | AS146302-69 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144763CN | AS144763-66 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144292CN | AS144292-107 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142089CN | AS142089-23 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS139317CN | ZX-AS-AP - Ningbo Dahuamao Information Technology Co Ltd | — | 85 | 67 |
| AS145245CN | AS145245-36 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142786CN | AS142786-137 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143652CN | AS143652-489 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145802CN | AS145802-81 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143700CN | AS143700-27 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146659CN | AS146659-426 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144072CN | AS144072-399 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144471CN | AS144471-286 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151423CN | AS151423-1 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS143569CN | AS143569-406 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145945CN | AS145945-224 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143128CN | AS143128-479 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146561CN | AS146561-328 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145730CN | AS145730-9 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144060CN | AS144060-387 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143926CN | AS143926-253 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146287CN | AS146287-54 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143834CN | AS143834-161 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146055CN | AS146055-334 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140249CN | CHINATELECOM-ANHUI-BENGBU-5G-NETWORK - CHINATELECOM Anhui province Bengbu 5G network | — | 3 | 3 |
| AS145022CN | AS145022-325 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145656CN | AS145656-447 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143762CN | AS143762-89 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145885CN | AS145885-164 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143238CN | AS143238-75 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145412CN | AS145412-203 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146376CN | AS146376-143 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143462CN | AS143462-299 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144462CN | AS144462-277 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145171CN | AS145171-474 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143971CN | AS143971-298 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145001CN | AS145001-304 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143566CN | AS143566-403 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143024CN | AS143024-375 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144608CN | AS144608-423 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146451CN | AS146451-218 - China Education and Research Network (CERNET) | — | 65.5K | 1 |