The Brazilian Bounty Hounds server is active, you can find it here.
http://bountyhounds.hoplon.com/
Only the site is in Portuguese, the client is totally in English.
Make an account here:
http://account.hoplon.com/signup
The fields are:
Full name
ID
Password
Password again
Birth date dd/mm/yyyy
Gender: Boy Girl
Email
Email again
Secret Question
Answer
Don't tick the first square and tick the second square.

After that go to http://account.hoplon.com/user
Look for Bounty Hounds under Contas de Jogos and click the yellow button Ativar. Now you can download and play.
http://bountyhounds.hoplon.com/download/