I actually made something like this a while ago. http://demontunes.com/api/?g=ip http://demontunes.com/api/?g=ip // plain ip http://demontunes.com/api/?g=ip&

I actually made something like this a while ago. http://demontunes.com/api/?g=ip http://demontunes.com/api/?g=ip // plain ip http://demontunes.com/api/?g=ip&format=json http://demontunes.com/api/?g=ip&format=json // in json http://demontunes.com/api/?g=ip&format=json&callback=hello http://demontunes.com/api/?g=ip&format=json&callback... // with a callback