Provided is an art of registration and management of the placement positions of objects to be managed can be easily and reliably performed. A device includes an identification information receiving unit 11 that receives identification information that can identify an object to be managed and acquisition time of the identification information; a position information receiving unit 12 that receives position information relating to a position of a person who moves around in a target floor while carrying equipment configured to acquire the identification information; and a placement information registration unit 13 that registers the placement information of the object to be managed by registering the position information received by the unit 12 at the same time or almost at the same time as the acquisition time of the identification information that is received by the unit 11 in association with the identification information.