I've just tested, it's working for me, even on East. Are you running the game as administrator?
If you have a dynamic IP you can try doing the following:
Assuming you have Windows; hit the Start button, Run, type cmd, hit ENTER, type ipconfig /release, hit ENTER, type ipconfig /renew
You can also review this guide here:
All In One R/d And Temp Ban Reversal Guide as it might be a restriction.