OK - summary
The Sky router (unusual amongst ISPs) generates its own user name and password. Also, again unusually, Sky have locked out a small number of features in this router including the ability to view either of these or allow advanced router interrogation.
Jose very cleverly found a way to bypass this using a trick called URL injection. Using Jose's method it is now possible to view the Sky user name and password meaning that you can use these in an alternative router to connect to the Sky service.
Mognuts further built upon Jose's work by creating a small utility to use this URL injection (and a couple of variations) to access a number of other router statistics and reports.
EDIT: caught out by my slow typing again - thanks Jose.