VEHICLE-MOUNTED DEVICE DETERMINATION SYSTEM AND INFORMATION COLLECTING DEVICE

A vehicle-mounted device determination system capable of determining validity of a vehicle-mounted device, and an information collecting device are provided. The vehicle-mounted device determination system includes: an information collecting device communicating with one or more vehicle-mounted devices installed in a vehicle; an identification information acquiring unit acquiring identification information from the vehicle-mounted devices; and an identification information transmitting unit transmits the identification information acquired by the identification information acquiring unit, and the server including: an identification information storage unit storing valid identification information of a vehicle-mounted device an identification information receiving unit receives the identification information from the vehicle; a validity determining unit determines, whether a vehicle-mounted device associated with the identification information received by the identification information receiving unit is valid; and a notifying unit provides notification if the validity determining unit determines that the vehicle-mounted device is invalid.