I use another plugin (Visitor Maps) to see who has visited. Then, I often see that some people have visited my site multiple times and attempted to access my Admin.php and other login files.
I blacklist them and then they come back with a similar IP address. For instance, this one from Luxembourg keeps trying to get to me:
How do I blacklist the whole block like: 94.242.237 ?
I've tried a wildcard but it doesn't work. Any thoughts on this?