Check-Host.cc

CN
Country

China

Aggregated network and security signals for China, sourced from BGP feeds, CT logs, our scan layer and honeypot network.

ASNs observed
490
last 30 d
Open IPs
4,405,752
last 90 d
Hosting share
34.9%
of open IPs
Threat hits
680
IOC matches

Top ASNs in China

Top 20 of 490 ASNs with scan-observed IPs in China, ranked by open-IP count.

ASN Name Open IPs
AS37963 Alibaba (China) 641,867
AS4134 China Telecom 320,133
AS45090 Tencent-CN 199,758
AS9808 China Mobile Communications Group Co., Ltd. 166,166
AS4837 China Unicom 125,270
AS55990 Huawei Cloud(China) 38,275
AS4812 25,539
AS4538 CERNET-CN 23,606
AS134762 16,759
AS4808 China Unicom Beijing Province Network 15,353
AS137718 VOLCANO-ENGINE 13,358
AS23724 IDC, China Telecommunications Corporation 13,056
AS38365 Baidu Netcom Science and Technology Co., Ltd. 8,246
AS4811 7,640
AS4847 CNIX-AP 6,735
AS17816 CHINA169-GZ 6,518
AS141679 5,620
AS136188 5,244
AS135357 5,222
AS17621 China Unicom Shanghai Network 5,174