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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 |
| AS145439-230 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS144576CN | AS144576-391 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145097CN | AS145097-400 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146163CN | AS146163-442 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145770CN | AS145770-49 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS138440CN | CNGI-HAK-IX-AS-AP - CERNET2 regional IX at Hainan Normal University | — | 65.6K | 23 |
| AS144686CN | AS144686-501 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144388CN | AS144388-203 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144180CN | AS144180-507 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142715CN | AS142715-66 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145061CN | AS145061-364 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143766CN | AS143766-93 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143236CN | AS143236-73 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144978CN | AS144978-281 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142998CN | AS142998-349 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142980CN | AS142980-331 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145704CN | AS145704-495 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140518CN | CHINATELECOM-GUANGXI-BEIHAI-5G-NETWORK - CHINATELECOM GUANGXI province BeiHai 5G network | — | 3 | 3 |
| AS153171CN | HANJIAJUN-AS-AP - Han Jiajun | — | 6 | 6 |
| AS143769CN | AS143769-96 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145484CN | AS145484-275 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140649CN | CHINATELECOM-GUIZHOU-ZUNYI-5G-NETWORK - CHINATELECOM Guizhou province Zunyi 5G network | — | 4 | 4 |
| AS143495CN | AS143495-332 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145064CN | AS145064-367 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143826CN | AS143826-153 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS38272CN | FITI-AS-BKB - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145987CN | AS145987-266 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146285CN | AS146285-52 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145853CN | AS145853-132 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142697CN | AS142697-48 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144466CN | AS144466-281 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145451CN | AS145451-242 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143537CN | AS143537-374 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144451CN | AS144451-266 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145058CN | AS145058-361 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140247CN | CHINATELECOM-ANHUI-WUHU-5G-NETWORK - CHINATELECOM Anhui province Wuhu 5G network | — | 3 | 3 |
| AS145486CN | AS145486-277 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143433CN | AS143433-270 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145258CN | AS145258-49 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143823CN | AS143823-150 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145118CN | AS145118-421 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143483CN | AS143483-320 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143599CN | AS143599-436 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145722CN | AS145722-1 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143138CN | AS143138-489 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143617CN | AS143617-454 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143942CN | AS143942-269 - China Education and Research Network (CERNET) | — | 65.5K | 1 |