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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. | 56.5M | 21,306 |
| 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.
6,624 autonomous systems registered to China. Click an AS for detail.
| 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 | 1,214 |
| AS56046CN | CMNET-Jiangsu-AP - China Mobile communications corporation | 7.9M | 5,212 |
| AS145037-340 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS142887CN | AS142887-238 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151438CN | AS151438-16 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS145260CN | AS145260-51 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145546CN | AS145546-337 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143795CN | AS143795-122 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS216173CN | ULAYER-AS Guozhen Liu | — | 2 | 2 |
| AS146186CN | AS146186-465 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145087CN | AS145087-390 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143244CN | AS143244-81 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144766CN | AS144766-69 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145296CN | AS145296-87 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144033CN | AS144033-360 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143131CN | AS143131-482 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143066CN | AS143066-417 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143295CN | AS143295-132 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144623CN | AS144623-438 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146335CN | AS146335-102 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142848CN | AS142848-199 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143893CN | AS143893-220 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144507CN | AS144507-322 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146001CN | AS146001-280 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145894CN | AS145894-173 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144069CN | AS144069-396 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146606CN | AS146606-373 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143661CN | AS143661-498 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145513CN | AS145513-304 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145778CN | AS145778-57 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145799CN | AS145799-78 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143313CN | AS143313-150 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143980CN | AS143980-307 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145001CN | AS145001-304 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143914CN | AS143914-241 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144256CN | AS144256-71 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146701CN | AS146701-468 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143503CN | AS143503-340 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144831CN | AS144831-134 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143405CN | AS143405-242 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145936CN | AS145936-215 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145632CN | AS145632-423 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143971CN | AS143971-298 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146388CN | AS146388-155 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143372CN | AS143372-209 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145641CN | AS145641-432 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144691CN | AS144691-506 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143167CN | AS143167-4 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144825CN | AS144825-128 - China Education and Research Network (CERNET) | — | 65.5K | 1 |