Patent ID: 8271684

Claim:
An electronic device comprising: a communication unit which performs communication with an information server that stores predetermined information, a plurality of address-offering servers that store IP addresses existing in a network and provide any one of the stored IP addresses, and a management server that includes area information on the network where the information server is located; and a controller which performs a request for an IP address of the information server for the use of information stored in the information server from the plurality of address-offering servers and the management server, wherein the IP address of the information server uniquely identifies the information server within the network, determines if an IP address is provided by at least one of the plurality of the address-offering servers and the management server in response to the request, checks whether the IP address provided by the at least one of the plurality of the address-offering servers and the management server is a valid IP address of the information server, and controls the communication unit to receive the information from the information server by utilizing the provided IP address if a positive response signal for the use of the provided IP address is received from the management server.