A core network node includes: a paging candidate storage unit that holds a candidate(s) of a base station(s) as a paging message transmission destination(s); a base station information storage unit that holds information about a communication function(s) of the candidate(s) of the base station(s); a paging destination selection unit that selects, when a certain mobile station is paged, a paging range from the candidate(s) of the base station(s), based on the communication function(s) of the candidate(s) of the base station(s); and a paging instruction unit that instructs a base station(s) corresponding to the selected range to perform paging.