a danger radius setting unit that sets a danger radius for a detonator or a communication module;

a blasting area setting unit that sets a blasting area in which a preset danger radius is reflected in a location value input during registration of the detonator or the communication module;

an equipment location determination unit that determines a location of equipment possessed by an operator;

a blasting start control unit that controls so that blasting of the detonator is allowed only when the equipment is not located within the set blasting area as a result of the determination; and

a warning notification providing unit that provides a warning notification including guidance on blasting impossibility, a current location of an operator, and information on a distance to a location out of the blasting area and the preset boundary distance based on the current location to the operator's terminal when the equipment is located within the set blasting area or at a preset boundary distance as a result of the determination,

wherein the blasting area setting unit sets an area of a rectangle circumscribed about a circle formed by the preset danger radius based on the location value input during registration of the detonator or the communication module as the blasting area, and

wherein the blasting start control unit controls so that blasting of the detonator is allowed only when the equipment is not located within the set blasting area and located outside a preset boundary distance.