Hello, about the professional version of the IP node problem

The 172.67 section of the professional IP node is not available on Chinese mainland mobile lines.
Example: 172.67.75.1 172.67.71.1 172.67.73.1

We have test tools on the Chinese mainland side.


ping.chinaz.com
www.ce8.com
www.17ce.com
It can test whether China mobile line is available