Abnormally High Latency

Description:

My location is SEA area, when I connect to somewhere like US the worst Latency should be around 300 ping which is not much problem for co-op game, but the latency I experiencing in the game now is around 5000 ping from my feeling(5 seconds delay or more) it is unplayable when this happen.

Steps to Reproduce:

This happen at random depend on the session am currently in. I have to restart the game until I got the session that playable.

Platform:
Steam

Player ID:
OnTour

Reproduction Rate:
Constant (100%)

Please check out potential solutions here: