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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 | 2,131 |
| AS9808CN | CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | 56.5M | 21,305 |
| AS4538CN | ERX-CERNET-BKB - China Education and Research Network Center | 42.4M | 5,848 |
| 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.
6,622 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 | 1,221 |
| AS56046CN | CMNET-Jiangsu-AP - China Mobile communications corporation | 7.9M | 5,212 |
| AS145179-482 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS146051CN | AS146051-330 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143226CN | AS143226-63 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145393CN | AS145393-184 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144753CN | AS144753-56 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145316CN | AS145316-107 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144923CN | AS144923-226 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146373CN | AS146373-140 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143020CN | AS143020-371 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145411CN | AS145411-202 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145631CN | AS145631-422 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144881CN | AS144881-184 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142711CN | AS142711-62 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143428CN | AS143428-265 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140257CN | CHINATELECOM-ANHUI-CHIZHOU-5G-NETWORK - CHINATELECOM Anhui province Chizhou 5G network | — | 3 | 3 |
| AS144884CN | AS144884-187 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143940CN | AS143940-267 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143625CN | AS143625-462 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144190CN | AS144190-5 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145176CN | AS145176-479 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144408CN | AS144408-223 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145435CN | AS145435-226 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142937CN | AS142937-288 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145313CN | AS145313-104 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151276CN | UOTO - XI'AN UOTOCOM NETWORK TECHNOLOGY CO.,LTD | — | 4 | 4 |
| AS151446CN | AS151446-24 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS145977CN | AS145977-256 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145256CN | AS145256-47 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144363CN | AS144363-178 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146248CN | AS146248-15 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146644CN | AS146644-411 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142842CN | AS142842-193 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142672CN | AS142672-23 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS137721CN | AS137721-13 - China Internet Network Information Center | — | 67.6K | 2 |
| AS144914CN | AS144914-217 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143827CN | AS143827-154 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143172CN | AS143172-9 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146456CN | AS146456-223 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142821CN | AS142821-172 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144479CN | AS144479-294 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145319CN | AS145319-110 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145128CN | AS145128-431 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146105CN | AS146105-384 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144131CN | AS144131-458 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145328CN | AS145328-119 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145164CN | AS145164-467 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142675CN | AS142675-26 - China Education and Research Network (CERNET) | — | 65.5K | 1 |