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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. | 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 |
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.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS142943CN | AS142943-294 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143955CN | AS143955-282 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142967CN | AS142967-318 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145682CN | AS145682-473 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142106CN | AS142106-40 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS145938CN | AS145938-217 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143467CN | AS143467-304 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143080CN | AS143080-431 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS137721CN | AS137721-13 - China Internet Network Information Center | — | 67.6K | 2 |
| AS143839CN | AS143839-166 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS153170CN | CUIHONGTAO-AS-AP - Cui Hongtao | — | 6 | 6 |
| AS146718CN | AS146718-485 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144330CN | AS144330-145 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146703CN | AS146703-470 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS151443CN | AS151443-21 - Future Internet Technology Infrastructure (FITI) | — | 1 | 1 |
| AS145548CN | AS145548-339 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145932CN | AS145932-211 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143562CN | AS143562-399 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143684CN | AS143684-11 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145110CN | AS145110-413 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144250CN | AS144250-65 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145188CN | AS145188-491 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145896CN | AS145896-175 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145581CN | AS145581-372 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146230CN | AS146230-509 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146286CN | AS146286-53 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144524CN | AS144524-339 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143223CN | AS143223-60 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145849CN | AS145849-128 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144372CN | AS144372-187 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146292CN | AS146292-59 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145265CN | AS145265-56 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145182CN | AS145182-485 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS152631CN | XYHELPER-AS-AP - Xyhelper Inc | — | 1 | 1 |
| AS144589CN | AS144589-404 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146155CN | AS146155-434 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145700CN | AS145700-491 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144226CN | AS144226-41 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146626CN | AS146626-393 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142699CN | AS142699-50 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143190CN | AS143190-27 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144762CN | AS144762-65 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144625CN | AS144625-440 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144991CN | AS144991-294 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142827CN | AS142827-178 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143011CN | AS143011-362 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143553CN | AS143553-390 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144125CN | AS144125-452 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145840CN | AS145840-119 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143318CN | AS143318-155 - China Education and Research Network (CERNET) | — | 65.5K | 1 |