NVM I found it
To find your MAC address:
1) From the home screen, select the "Wii" button in the lower left hand corner.
2) From here, select "Wii Settings" which will be the on-screen button on the right.
3) On this screen, select the right arrow to advance to the 2nd set of settings.
4) Select the "Internet" option.
5) Select the "Console Information" option.
6) The MAC address will be listed under "USB Ethernet Adapter MAC Address".