when i bought dota2, and i check my ping its RTO why?
Not sure why at this moment. 
Please confirm that How to check the basic functionality works fine in your environment. It’s a first thing you should test.
bro why i still got high ping dota 2
I meant that your ISP has some internal issue to the international internet line. So with limited no. of mudfish nodes for your country, it seems it doesn’t be helpful whatever you picked a mudfish node.
However if your ISP is okay, I think it’d be better to pick a mudfish node closer to your country.
처리해 드렸습니다. :-) 확인해보시고 문제가 있으시면 언제든지 답글 부탁드립니다. 미꾸라지를 사용해 주셔서 정말 감사합니다.