IP被墙，请帮我更换一个稳定的IP

While we can't guarantee you'll find better results, you can effectively obtain a new IPv4 address for your Linode by spinning up a new one, then transferring IPs between your Linodes using the method described in our documentation here.

If you're seeing other performance issues, you can open a Support ticket and we'll be happy to look for related problems on our end.