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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 | 2,131 |
| AS9808CN | CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | 56.5M | 21,305 |
| AS4538CN | ERX-CERNET-BKB - China Education and Research Network Center | 42.4M | 5,848 |
| AS37963CN | ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | 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 | 1,221 |
| AS56046CN | CMNET-Jiangsu-AP - China Mobile communications corporation | 7.9M | 5,212 |
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.
6,622 autonomous systems registered to China. Click an AS for detail.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS145661CN | AS145661-452 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144673CN | AS144673-488 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145703CN | AS145703-494 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143690CN | AS143690-17 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144935CN | AS144935-238 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144327CN | AS144327-142 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145545CN | AS145545-336 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151452CN | AS151452-30 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS151455CN | AS151455-33 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS143753CN | AS143753-80 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144726CN | AS144726-29 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145837CN | AS145837-116 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146215CN | AS146215-494 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143601CN | AS143601-438 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146703CN | AS146703-470 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145444CN | AS145444-235 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146614CN | AS146614-381 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143306CN | AS143306-143 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144196CN | AS144196-11 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS219480CN | nfdns shuai wang | — | 17 | 2 |
| AS144777CN | AS144777-80 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145697CN | AS145697-488 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145021CN | AS145021-324 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143821CN | AS143821-148 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146227CN | AS146227-506 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140731CN | TOHU-OP-AP - TOHU Public Internet | — | 582 | 9 |
| AS144485CN | AS144485-300 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS137721CN | AS137721-13 - China Internet Network Information Center | — | 67.6K | 2 |
| AS146581CN | AS146581-348 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143562CN | AS143562-399 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142696CN | AS142696-47 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146334CN | AS146334-101 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144488CN | AS144488-303 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145262CN | AS145262-53 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143202CN | AS143202-39 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145640CN | AS145640-431 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143363CN | AS143363-200 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144199CN | AS144199-14 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145018CN | AS145018-321 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142699CN | AS142699-50 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143318CN | AS143318-155 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143887CN | AS143887-214 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142097CN | AS142097-31 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS144991CN | AS144991-294 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143458CN | AS143458-295 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142827CN | AS142827-178 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145798CN | AS145798-77 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144863CN | AS144863-166 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143571CN | AS143571-408 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146173CN | AS146173-452 - China Education and Research Network (CERNET) | — | 65.5K | 1 |