Abstract: A sending and receiving unit receives the unique information of a plurality of communication host apparatuses that is obtained when a client apparatus searches for a connection destination before and after a movement of the client apparatus, a storage unit stores therein identification information of content that is sent to the client apparatus according to a state of the client apparatus, in association with the state, and a control unit specifies the state of the client apparatus on the basis of the unique information received by the sending and receiving unit, the unique information being obtained before and after the movement, and specifies first or second content depending on whether the client apparatus is an in overlapping area covered by communication host apparatuses with reference to the storage unit and sends the specified content to the client apparatus.

Abstract: A sending and receiving unit receives the unique information of a plurality of communication host apparatuses that is obtained when a client apparatus searches for a connection destination before and after a movement of the client apparatus, a storage unit stores therein the identification information of content that is sent to the client apparatus according to a state of the client apparatus, in association with the state, and a control unit which specifies the state of the client apparatus on the basis of the unique information received by the sending and receiving unit, the unique information being obtained before and after the movement, and specifies content according to the specified state of the client apparatus with reference to the storage unit.