Quote Originally Posted by Aru View Post
Uh... the thing is, if you're using someone's wi-fi, aren't you using their IP?
I don't think tracking someone down to city is going to help, if they're already using your wi-fi.

It's probably just common sense, though. If you see an unwanted person connected to your network, look out your window. Problem solved.
No. Your still using your computers IP. And as I said their are programs and people who know how to track down to street and address. Some places have very widespread Wi-Fi. My airport sends a signal that can be reached at nearly 100% from 2 miles away.