A communication management list generation device for generating a communication management list constituted by communication management information including time information associated with a predetermined time, and communication information indicating communication processing which is started at the predetermined time and which does not use a same route simultaneously, the communication management list generation device comprising:
- a determination unit for determining each piece of communication management information in an ascending order of time associated with the time information regarding whether or not communication processing information is addable to communication information;
- and
- an addition unit for adding the communication processing information to communication information of communication management information which is determined to be addable at a time of determination by the determination unit.