[Object] To provide an apparatus and a method capable of appropriately dealing with an IP address in MEC.[Solution] An apparatus including: a relay processing unit configured to perform relay processing of communication performed between a service provider device that provides a service to a terminal device and is provided in a radio access network and the terminal device; and a conversion processing unit configured to perform processing for converting an internal IP address assigned to the terminal device and an external IP address. In the relay processing, the relay processing unit communicates with the terminal device with use of the internal IP address and communicates with the service provider device with use of the external IP address.