How to Identify Host ID (ethernet address) in Mac OSX
For student edition users of Inspire Studio, Inspire Render and Thea products only, that are supported in Mac
Mac OS X 10.9 or later
Click on the Apple icon in the top left, and click on System Preferences, or open System Preferences from your Dock.
In the System Preferences window, click on Network.
In the resulting network window, there will be network interfaces listed on the left. For your wired MAC address, select Built-in Ethernet, and then click Advanced. For your wireless MAC address, select Wi-Fi or Airport, and then click Advanced.
On the resulting screen, look on the tabs across the top for the Ethernet or Hardware tab. This screen may look slightly different depending on whether you selected Built-in Ethernet or Wi-Fi in the previous step. Your MAC address is labeled Ethernet ID or MAC Address, and should be six groups of two letters and numbers, separated by colons.