On the main menu navigate to “Settings”.Scroll up/down until you see System Information.Navigate up/down until you see the System Settings icon.Navigate to the Settings icon (located on the far left).
HOW TO FIND WIRELESS MAC ADDRESS WINDOWS PS3
From the PS3 main menu screen, follow these steps: PlayStation 3 : To find the MAC address of your Sony PlayStation 3 you will need the Network Adaptor connected to the PS. While you are at this screen, make note of the MAC address at the bottom. At the "Advanced Broadband Settings" screen, make sure "Automatic" is selected.