Many a time IT admin needs to set up multiple IP addresses to the same network adapter. Situations such as hosting multiple SSL sites can speed up traffic exchanges, which can bypass the gateway in ...
Same as using NetBIOS names or FQDNs... \\192.168.1.10\sharename . You need to have the correct ports open to do this, and over the internet it's a HORRIBLE idea, since those same ports are used by ...