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

摘要

The information providing device (3000) stores communication device information, which is information related to the communication device and used other than name resolution of the communication device. The receiving device (2000) has a packet receiving unit (2020) and a transmitting device information acquiring unit (2040). The packet reception unit (2020) receives the packet transmitted by the transmission device (4000). The transmission device information acquisition unit (2040) acquires communication device information corresponding to the transmission device (4000) that is the transmission source of the packet received by the packet reception unit (2020) from the information supply device (3000).