Country by Country IP blocking .htaccess code generator
 

If you want block certain unproductive or "waste" traffic from certain countries, here's a resource that creates an IP blocking file for you.

Granted, it's not the most comprehensive out there but its free and it's a good start:

http://blockacountry.com/

The tool generates code you put into your server's htaccess file

Very handy, thanks, a real timesaver!