Mudfish working but does not lower ping

I am running it on FULL VPN mode and the in game ping does not reflect the ping shown on the RTT display.

Please confirm that How to check the basic functionality works fine in your environment. It’s a first thing you should test.

If it works fine, please try to test with various mudfish nodes. So I think depending on which mudfish node is used, you can bypass the problematic router IP.