A description of how to check IP address of the PSP
Open the Network Settings from the Settings menu.
Open the infrastructure mode
Select the name of the SSID of the wireless broadband router at home, and then press the triangle button. Open the Test Connection.
Connection so that the test is started, wait a little.
You can find the IP address and MAC address of the PSP.
How to check only the MAC address of the PSP
Open the System Settings menu
Open the System Information menu
This is the MAC Address. (Also known as physical address)