If you have LW opened and connected to the network without a firewall being detected, you should be able to click on "Direct Connect" and there your IP (if you mean IP with "host number") should be displayed.
If that doesn't work, go here:
http://www.whatismyipaddress.com/

Cheers
Mario

__________________

"Never Argue With An Idiot. They Will Drag You Down To Their Level, Then Beat You With Experience"