In one embodiment, there is disclosed a system and method for providing access to an IP number or a subscriber identity number associated with a mobile device in a network, the method comprising associating a mobile device with a subscriber identity number; generating a temporary IP number for the mobile device; linking the subscriber identity number with the temporary IP number; storing the subscriber identity number and the temporary IP number in a database; and providing a pull application program interface to extract from the database either the subscriber identity number or the IP address for mobile device when requested by an application program.