I don't understand why anybody with a computer/internet connection would ever use the book other than as a door stop or to get their fires started.
However, there is still a sizable population not online that rely on the paper directory. If this is your target audience I suspect there's still...
The 192 IP is the router address, the other one is your ISP - so that is right that it shows when you connect directly.
I would suggest changing the "channel" that your router transmits on, especially if there are a lot of networks in your area.