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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 |
| AS144514-329 - China Education and Research Network (CERNET) |
| — |
| 65.5K |
| 1 |
| AS146628CN | AS146628-395 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145178CN | AS145178-481 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS219378CN | SAKARIN-NETWORK ZHANG XIYUAN | — | 28 | 12 |
| AS144895CN | AS144895-198 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146598CN | AS146598-365 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS140313CN | CHINATELECOM-GUANGDONG-ZHAOQING-5G-NETWORK - CHINATELECOM Guangdong province Zhaoqing 5G network | — | 2 | 2 |
| AS145273CN | AS145273-64 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142796CN | AS142796-147 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146113CN | AS146113-392 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145333CN | AS145333-124 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143332CN | AS143332-169 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146595CN | AS146595-362 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144038CN | AS144038-365 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142802CN | AS142802-153 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145568CN | AS145568-359 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143049CN | AS143049-400 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145955CN | AS145955-234 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142710CN | AS142710-61 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145422CN | AS145422-213 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145803CN | AS145803-82 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS209586CN | SUNYOU-AS SUNYOU PAN | — | 1 | 1 |
| AS143627CN | AS143627-464 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142671CN | AS142671-22 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS24357CN | CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of Technology | — | 262.3K | 201 |
| AS143130CN | AS143130-481 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145318CN | AS145318-109 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142874CN | AS142874-225 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144154CN | AS144154-481 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143972CN | AS143972-299 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146187CN | AS146187-466 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143680CN | AS143680-7 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146631CN | AS146631-398 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145666CN | AS145666-457 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143374CN | AS143374-211 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146101CN | AS146101-380 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145851CN | AS145851-130 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142079CN | AS142079-13 - China Education and Research Network (CERNET) | — | 1 | 1 |
| AS144163CN | AS144163-490 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS145181CN | AS145181-484 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146396CN | AS146396-163 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144112CN | AS144112-439 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS146503CN | AS146503-270 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS143005CN | AS143005-356 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144002CN | AS144002-329 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS142686CN | AS142686-37 - China Education and Research Network (CERNET) | — | 65.5K | 1 |
| AS144425CN | AS144425-240 - China Education and Research Network (CERNET) | — | 65.5K | 1 |