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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 |
| AS144890-193 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS142943CN | AS142943-294 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144366CN | AS144366-181 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144363CN | AS144363-178 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145724CN | AS145724-3 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142654CN | AS142654-5 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146349CN | AS146349-116 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145331CN | AS145331-122 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146584CN | AS146584-351 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143553CN | AS143553-390 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145387CN | AS145387-178 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142824CN | AS142824-175 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144357CN | AS144357-172 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143693CN | AS143693-20 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146426CN | AS146426-193 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144494CN | AS144494-309 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145509CN | AS145509-300 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS137256CN | CATIO-NETWORK-AS-AP - CatIO Network | — | 8 | 8 |
| AS144501CN | AS144501-316 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151443CN | AS151443-21 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS144648CN | AS144648-463 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145158CN | AS145158-461 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145816CN | AS145816-95 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145170CN | AS145170-473 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144072CN | AS144072-399 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140257CN | CHINATELECOM-ANHUI-CHIZHOU-5G-NETWORK - CHINATELECOM Anhui province Chizhou 5G network | — | 3 | 3 |
| AS145159CN | AS145159-462 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145197CN | AS145197-500 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142848CN | AS142848-199 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142770CN | AS142770-121 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144920CN | AS144920-223 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144342CN | AS144342-157 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143265CN | AS143265-102 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146207CN | AS146207-486 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143926CN | AS143926-253 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146516CN | AS146516-283 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146680CN | AS146680-447 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS201944CN | PYSIO-NEXT-NETWORK HaoRan Liu | — | 1 | 1 |
| AS144086CN | AS144086-413 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146223CN | AS146223-502 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146424CN | AS146424-191 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146221CN | AS146221-500 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143119CN | AS143119-470 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146028CN | AS146028-307 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143500CN | AS143500-337 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144670CN | AS144670-485 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146084CN | AS146084-363 - China Education and Research Network (CERNET) | — | 65.5K | 1 |