Apple call it an iMac address.
(FYI: they don't)

It's look like me when I start my IT studies xD

I don’t have a friend...... that’s the end of the joke

The company I'm working for resides in a co-working space and not long ago we've had some wifi issues. The guy responsible for managing the whole location ran to every company there and was asking for someone with an Apple device, because the tech support on the phone needed a MAC address...