I used to work tech support for sympatico... so many people would call in with browsing problems where the culprit was non-routable IP's, spyware usually the cause.
I only got that addy just once, and i knew I had to reboot....some glitch on startup.....I had heard before about trying to hack into 127.0.0.1 hee hee, darn computer caught in a loop...wierd