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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 |
| AS143196-33 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS146002CN | AS146002-281 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145283CN | AS145283-74 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145267CN | AS145267-58 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143638CN | AS143638-475 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143233CN | AS143233-70 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145319CN | AS145319-110 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146660CN | AS146660-427 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144848CN | AS144848-151 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145511CN | AS145511-302 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144193CN | AS144193-8 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142102CN | AS142102-36 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS146011CN | AS146011-290 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143894CN | AS143894-221 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145161CN | AS145161-464 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146492CN | AS146492-259 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS137402CN | CHINATELECOM-HUBEI-SHIYAN-5G-NETWORK - CHINATELECOM Hubei province Shiyan 5G network | — | 768 | 3 |
| AS142822CN | AS142822-173 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145572CN | AS145572-363 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143693CN | AS143693-20 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS153171CN | HANJIAJUN-AS-AP - Han Jiajun | — | 6 | 6 |
| AS145786CN | AS145786-65 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146102CN | AS146102-381 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144509CN | AS144509-324 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142096CN | AS142096-30 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS143682CN | AS143682-9 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145516CN | AS145516-307 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146409CN | AS146409-176 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144638CN | AS144638-453 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145167CN | AS145167-470 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS139231CN | ZERO-AS-AP - Zero | — | 1 | 1 |
| AS143842CN | AS143842-169 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145123CN | AS145123-426 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144512CN | AS144512-327 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146541CN | AS146541-308 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142739CN | AS142739-90 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144394CN | AS144394-209 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144875CN | AS144875-178 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143681CN | AS143681-8 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144929CN | AS144929-232 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143954CN | AS143954-281 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143446CN | AS143446-283 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140509CN | CHINATELECOM-GUANGXI-NANNING-5G-NETWORK - CHINATELECOM GUANGXI province NanNing 5G network | — | 3 | 3 |
| AS146679CN | AS146679-446 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140360CN | CHINATELECOM-YUNNAN-YUXI-5G-NETWORK - CHINATELECOM Yunnan province Yuxi 5G network | — | 256 | 4 |
| AS153057CN | LIRUIZHI-AS-AP - Li Ruizhi | — | 6 | 6 |
| AS143078CN | AS143078-429 - China Education and Research Network (CERNET) | — | 65.5K | 1 |