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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.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS143817CN | AS143817-144 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS211992CN | WEI Wei Tang | — | 1 | 1 |
| AS142100CN | AS142100-34 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS140522CN | CHINATELECOM-GUANGXI-FANGCHENGGANG-5G-NETWORK - CHINATELECOM GUANGXI province FangChengGang 5G network |
| 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 |
| — |
| 3 |
| 3 |
| AS24368CN | CNGI-XMN-IX-AS-AP - CERNET2 IX at Xiamen University | — | 38 | 38 |
| AS39753CN | LIUXYON Kai Liu | — | 14 | 14 |
| AS144734CN | AS144734-37 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145703CN | AS145703-494 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145862CN | AS145862-141 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142895CN | AS142895-246 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143709CN | AS143709-36 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144598CN | AS144598-413 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144829CN | AS144829-132 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142901CN | AS142901-252 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146362CN | AS146362-129 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145618CN | AS145618-409 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144728CN | AS144728-31 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143464CN | AS143464-301 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145048CN | AS145048-351 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145191CN | AS145191-494 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144299CN | AS144299-114 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142797CN | AS142797-148 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145758CN | AS145758-37 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144587CN | AS144587-402 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144631CN | AS144631-446 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151461CN | AS151461-39 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS145671CN | AS145671-462 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143727CN | AS143727-54 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143688CN | AS143688-15 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142898CN | AS142898-249 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143265CN | AS143265-102 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146331CN | AS146331-98 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144242CN | AS144242-57 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142782CN | AS142782-133 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140529CN | CHINATELECOM-HUBEI-XIANGYANG-5G-NETWORK - CHINATELECOM Hubei province Xiangyang 5G network | — | 768 | 3 |
| AS144994CN | AS144994-297 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144980CN | AS144980-283 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS24350CN | CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications | — | 65.5K | 4 |
| AS146424CN | AS146424-191 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146632CN | AS146632-399 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146626CN | AS146626-393 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144333CN | AS144333-148 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143119CN | AS143119-470 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146596CN | AS146596-363 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143280CN | AS143280-117 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145343CN | AS145343-134 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143500CN | AS143500-337 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143431CN | AS143431-268 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144435CN | AS144435-250 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143038CN | AS143038-389 - China Education and Research Network (CERNET) | — | 65.5K | 1 |