1. Start up your PlayStation 5 without a disk in the drive.
2. On the home screen, click on the settings icon (gear) in the top-right corner.
3. Select System.
4. Under System Software, select Console Information.
5. You will see the MAC addresses for LAN cable (Ethernet) and Wi-Fi.
Reference https://www.playstation.com/en-us/support/hardware/playstation-system-software-application-version/