Receiving apparatus, receiving apparatus control method, receiving apparatus control program, network system, network system control method, and network system control program

摘要

A receiving device according to the present invention includes: a packet receiving unit which receives a packet transmitted from a transmitting device which is a communication device transmitting the packet; and a transmitting device information acquiring unit which acquires, from an information providing device storing communication device information which is information concerning the communication device and information used for a purpose other than name resolution for the communication device, the communication device information corresponding to the transmitting device which is a source of the packet.