manny54321 you're based in Bangkok right? AFAIK all Thailand's internet connections now go thru Singapore since your mighty prime minister sold the entire telecommunications to them.
(the sooner you get rid of him the better! Else Thailand won't own much & he will own the rest.)
Talk to foolofthehill as he has probably more knowledge about Thai isp's than anybody else here:
http://www.gnutellaforums.com/member...poster&t=56988
He himself has to put up with some similar problems apparently. I can't remember how similar though.