they charge for the info they give you and its costs around £40.00 for 100 credits. you can find info on other sites it just depends on what you are loking for really and how much time you want to spend. for example you may find name and address details on bt.com of they are not ex directory
if you are trying to find something in particular i have a subscription and will look for you - email
[email protected], ob if your just nosing about i'd rather not waste the credits :-)