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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 |
| AS143630-467 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS145544CN | AS145544-335 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145711CN | AS145711-502 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146744CN | AS146744-511 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144035CN | AS144035-362 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144306CN | AS144306-121 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145591CN | AS145591-382 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145625CN | AS145625-416 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143609CN | AS143609-446 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142088CN | AS142088-22 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS145720CN | AS145720-511 - 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 |
| AS146616CN | AS146616-383 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143207CN | AS143207-44 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143121CN | AS143121-472 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144446CN | AS144446-261 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145690CN | AS145690-481 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143109CN | AS143109-460 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143052CN | AS143052-403 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144094CN | AS144094-421 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143615CN | AS143615-452 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144621CN | AS144621-436 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144291CN | AS144291-106 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145863CN | AS145863-142 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142999CN | AS142999-350 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142713CN | AS142713-64 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143996CN | AS143996-323 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143264CN | AS143264-101 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145937CN | AS145937-216 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145077CN | AS145077-380 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145282CN | AS145282-73 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144011CN | AS144011-338 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144722CN | AS144722-25 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS138378CN | CNGI-KMN-IX-AS-AP - CERNET2 regional IX at Yunnan University | — | 65.6K | 63 |
| AS208618CN | CYY-AS Yangyu Chen | — | 34 | 4 |
| AS151457CN | AS151457-35 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS142969CN | AS142969-320 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143070CN | AS143070-421 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144824CN | AS144824-127 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143600CN | AS143600-437 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143990CN | AS143990-317 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143904CN | AS143904-231 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151445CN | AS151445-23 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS144160CN | AS144160-487 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145092CN | AS145092-395 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142975CN | AS142975-326 - China Education and Research Network (CERNET) | — | 65.5K | 1 |