Network Address for online gaming (PC)?

Hi,


Me and my mate started a network game on local network last night (football manager 2008)


My question is: now we want to continue the game over the internet, but we need my network address (ip i presume?) to connect. how would i find the correct address for him to connect?





Thanks!

Network Address for online gaming (PC)?
http://www.whatismyip.com
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