It is odd - usually local networks run in the range of 192.168.0.1 or 10.0.0.1 and up. I suspect that someone has changed the ranges in the DHCP settings on the router which is why they are not as usual. NO matter - if it works, don't break it by fixing it. If there is a need for a specific IP address which is not in these ranges it must be for another network on another router, perhaps?