An information processing device in an information communications system in which a plurality of networks which are connected each other, each network including a plurality of node devices connected to the network, includes: a first acquisition unit configured to acquire an amount of data uploaded from the node device, connected to a first network of the plurality of networks, to a second network of the plurality of networks; a second acquisition unit configured to acquire a total amount of uploaded data acquired by the first acquisition unit; a first determination unit configured to determine whether the total amount of uploaded data acquired by the second acquisition unit is greater than a threshold; and a control unit configured to suppress contents from being uploaded by the node device connected to the first network if the first determination unit determines that the total amount of uploaded data is greater than the threshold.