To provide an apparatus management device, an apparatus management system, an apparatus management method and an apparatus management program capable of performing apparatus monitoring processing without extending a monitoring time even in a state that many management target apparatuses do not respond, and to provide a recording medium recording the program.

The apparatus management device 100 acquiring apparatus information including state information from the plurality of apparatuses 200 connected via a prescribed data transmission line 90 and managing the plurality of apparatuses 200 based on a plurality of pieces of the acquired apparatus information has: information acquisition-update means Th performing the acquisition processing of the apparatus information and/or the update processing of the apparatus information held as management data 31; an apparatus response decision means 247 deciding whether one or a plurality of apparatuses 200 are in monitoring waiting states until a prescribed time lapses after a response is extinguished; and a processing control means 244 controlling a plurality of the information acquisition-update means Th which are simultaneously executed based on a decision result by the apparatus response decision means 247.

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