A device controller connected to a communication terminal and a plurality of devices via a network includes an acquisition unit configured to receive first control information for controlling a plurality of devices of predetermined type from the communication terminal, the first control information including specific information for identifying a control target device selected from the plurality of devices, a device identification unit configured to identify the control target device on the basis of the specific information included in the first control information, a generation unit configured to generate second control information for causing the control target device to execute control details indicated by the first control information, the second control information being different from the first control information, and a transmission unit configured to transmit the second control information.