If you use IRC without SSL (most do) he can see your IP/ISP by clicking your Name.
I had a feeling, I knew something was wrong when I visited that site and it told me tor was not allowed, lucky for me I used a proxy to connect.
Now what about the scammed wallet, can you explain this please? lots of people have been pming me about TradeFortress, he hasn't asked for any money, but I feel like I should create a scam accusation against him, he seems very dishonest and refuses to remove the trust.