HS: How to ban some IP's to connect to apache server

[Thierry Chatelet <tchatelet@free.fr>]

Hello
I know it's not really debian related, but:
A site call ripe.net is trying all sorts of addresses to go inside my sites, 
like mysite.com/var/www/documents and so on. About a month ago, I email to 
the owner of the site, and it stopped, until this WE. So, I would like to ban 
him (they have about 10 different IP addresses hosted on servers from 
Netherland to Asia) to log into my server. I known, I can do it using deny 
from + IP in each virtual host. What I would prefer to do is deny those IP's 
from the server, not from each host.My server is running etch -> 
apache2.2.3-4. How can I do that?
Thierry