Ping issue in bahrain server

I m getting 150 ping constantly since 2 weeks and yesterday i got 80 ping usually i get 80ping but since 2 weeks i m getting 150ping and in range 118 ping in match 150 or 160. Before 2 weeks i used to get 80 ping and i live in Bangladesh and i used to get 80 ping pls fix the issue my internet is good i use ethernet cable and i checked my internet and i did speedtest i get 90mbps pls fix it