A neighboring information management apparatus situated at higher position than a plurality of base stations and obtains a message from each of said plurality of base stations, including: a number of times of performance total part totaling number of times of performance of uncontrolled hand over performed by a mobile terminal between base stations of which neighboring information are not registered, and a neighboring information registration part registering serving base station and target base station which are in state of the uncontrolled hand over automatically as the neighboring information.