You've heard of War Driving? Seems I'm doing it from my couch.
I'm downstairs working on the laptop and I just tried hitting the server status page on LISHost. I got a "denied" error, which surprised me because my IP hasn't changed in years here at home, when suddenly I realized I was logged in upstairs via a different IP. It turns out the laptop had picked up a neighbors wireless network and I was using it without even knowing it.
Something must've happened to my wireless router, or maybe the new laptop doesn't have a very good antennae because the signal for my network is much weaker than the other.