One problem with that idea
Sky refuse to divulge the logon credentials needed to get onto their broadband network. They say its to make tech support easier - they only have to train the staff on a limited number of systems
I've tried to get the info from them many times and always had it refused
On some of their routers it is possible to take dump a backup of the settings, then convert from hex to binary, do so algorithmic work and extract the settings, the details are around on the web. I've never done it myself and the one time I looked at the instructions I decided I wasn't too keen on trying