Since shuting down the masterserver isn't enough to kick out the nwn1 comunauty, they have now stoped to show servers on gamespy.
To log on BoW now, you will have to use the direct connect via IP : 88.168.240.18:5121
Permanant info here : http://www.xfire.com/servers/nwn/88.168.240.18:5121/
JD.