Patent ID: 8914853

Claim:
A method comprising: receiving, by a first server associated with a first network, a first query from a network device associated with a second network, the first query including a request for information to identify whether a user device is authorized to access the second network, the first network being associated with a network that services a geographic region associated with the user device, and the first query being transmitted to the first server based on an identifier associated with the user device; determining, by the first server, the identifier associated with the user device; providing, by the first server and to a second server, a second query including the identifier, the second query including a request for information to identify whether the identifier of the user device is being stored by the second server; receiving, by the first server and from the second server, a response to the second query, the response to the second query identifying whether the identifier of the user device is being stored by the second server; determining, by the first server, that the user device is not authorized to access the second network when the response to the second query identifies that the identifier of the user device is being stored by the second server; determining, by the first server, that the user device is authorized to access the second network when the response to the second query identifies that the identifier of the user device is not being stored by the second server; and providing, by the first server to the network device, a response to the first query, the response to the first query identifying whether the user device is authorized to access the second network based on determining that the user device is not authorized to access the second network or based on determining that the user device is authorized to access the second network.