A state specifying system according to the present disclosure includes a cable (20) disposed in a utility pole (10), the cable (20) containing a communication optical fiber, a receiving unit (331) configured to receive an optical signal from at least one optical fiber contained in the cable (20), and a specifying unit (332) configured to specify a state of the utility pole (10) or an environmental state around the utility pole (10) corresponding to a pattern of the optical signal received by the receiving unit (331).