A communication control device which acquires, from a mobile device, access point information indicating an access point that is accessed when connecting to a communication network and which controls communication by the mobile device based on the access point information, the communication control device comprising: identification information acquiring means for acquiring, from the mobile device, identification information capable of identifying a subscriber who uses the mobile device and access point information; remaining communication volume acquiring means for acquiring, based on the identification information and the access point information acquired by the identification information acquiring means, a remaining communication volume that can be used by the mobile device to communicate through the access point indicated by the access point information; communication volume measuring means for measuring a communication volume from a start of communication by the mobile device; remaining communication volume calculating means for calculating a remaining communication volume that can be used for communication by the mobile device based on the remaining communication volume acquired by the remaining communication volume acquiring means and the communication volume measured by the communication volume measuring means; communication feasibility determining means for determining whether or not communication by the mobile device can be continued based on the remaining communication volume calculated by the remaining communication volume calculating means; access point information extracting means for extracting additional access point information regarding one or more additional access points with an unused remaining communication volume when the communication feasibility determining means determines that communication by the mobile device cannot be continued; and access point information reporting means for reporting the additional access point information extracted by the access point information extracting means to the mobile device. identification information acquiring means for acquiring, from the mobile device, identification information capable of identifying a subscriber who uses the mobile device and access point information; remaining communication volume acquiring means for acquiring, based on the identification information and the access point information acquired by the identification information acquiring means, a remaining communication volume that can be used by the mobile device to communicate through the access point indicated by the access point information; communication volume measuring means for measuring a communication volume from a start of communication by the mobile device; remaining communication volume calculating means for calculating a remaining communication volume that can be used for communication by the mobile device based on the remaining communication volume acquired by the remaining communication volume acquiring means and the communication volume measured by the communication volume measuring means; communication feasibility determining means for determining whether or not communication by the mobile device can be continued based on the remaining communication volume calculated by the remaining communication volume calculating means; access point information extracting means for extracting additional access point information regarding one or more additional access points with an unused remaining communication volume when the communication feasibility determining means determines that communication by the mobile device cannot be continued; and access point information reporting means for reporting the additional access point information extracted by the access point information extracting means to the mobile device.