AS17789 CNCGROUP IP network of ShangHai IDC
A network in China. Here are the size of its IP ranges and the data used for visitor checks.
ChinaVisitor check data
- Network type
- Regular network
- Known VPN servers
- None
- Tor exit nodes
- None
This network mainly serves home, office and mobile lines. VPN servers are counted only when they are on the public list. How checks work
Largest IPv4 ranges
Up to 20, largest first.
27.99.128.0/17
42.0.128.0 ~ 42.0.199.255
42.0.201.0 ~ 42.0.255.255
Data: DB-IP (CC BY 4.0), public VPN server list, Tor Project exit list · as of 2026-10-12