An information collection device acquires information from a plurality of devices connected through a network. The information collection device includes: a first addition unit that adds, for each of the devices, an information collection duration required to collect information of the devices to a communication duration required to communicate with the devices; a second addition unit that adds a maximum duration among the durations by addition of the first addition unit to a predetermined time to obtain a first time; a subtraction unit that subtracts the information collection duration of each of the devices from the first time; a first setting unit that sets a time obtained by the subtraction unit as a second time that is when information collection starts at each of the devices; and an acquisition unit that acquires information obtained by the information collection that starts at the second time.