How to find IP addresses

[Beth DeGeer]

This is probably a really stupid question,  but I hope you will indulge
me.  I have two public access computers on which patrons can play games,
email and chat.  The other eight are limited to research only.  Let's
say I wanted to block access to hotmail.com on the 8 research-only
computers.  How can I find the  IP address of hotmail.com?  Is this
something I can find with a whois search at internic's site?  Thanks for
your help.

Beth DeGeer
Bartlesville Public Library