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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 |
| AS145804-83 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS138376CN | CNGI-YCH-IX-AS-AP - CERNET2 regional IX at Ningxia University | — | 20 | 20 |
| AS143904CN | AS143904-231 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145283CN | AS145283-74 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145203CN | AS145203-506 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143196CN | AS143196-33 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142975CN | AS142975-326 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142764CN | AS142764-115 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145000CN | AS145000-303 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144736CN | AS144736-39 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146616CN | AS146616-383 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142999CN | AS142999-350 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146744CN | AS146744-511 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146626CN | AS146626-393 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145169CN | AS145169-472 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143333CN | AS143333-170 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145116CN | AS145116-419 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145140CN | AS145140-443 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142088CN | AS142088-22 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS145012CN | AS145012-315 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144026CN | AS144026-353 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145095CN | AS145095-398 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144279CN | AS144279-94 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142713CN | AS142713-64 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143384CN | AS143384-221 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144079CN | AS144079-406 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144087CN | AS144087-414 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144741CN | AS144741-44 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143581CN | AS143581-418 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142891CN | AS142891-242 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143897CN | AS143897-224 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144469CN | AS144469-284 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146576CN | AS146576-343 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144861CN | AS144861-164 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144221CN | AS144221-36 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146084CN | AS146084-363 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS209218CN | Fish-Network-AS Yang Qi | — | 35 | 4 |
| AS143264CN | AS143264-101 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145937CN | AS145937-216 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146122CN | AS146122-401 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144078CN | AS144078-405 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144011CN | AS144011-338 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143229CN | AS143229-66 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144094CN | AS144094-421 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145823CN | AS145823-102 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151457CN | AS151457-35 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS142969CN | AS142969-320 - China Education and Research Network (CERNET) | — | 65.5K | 1 |