Generate a new Mac Address
perl -e 'for ($i=0;$i<5;$i++){@m[$i]=int(rand(256));} printf "02:%X:%X:%X:%X:%X\n",@m;'
Start Changing
sudo ifconfig en0 ether 02:8D:DE:BC:7E:72
How to Change Your Mac Address:
www.howtogeek.com/192173/how-and-why-to-change-your-mac-address-on-windows-linux-and-mac/
How are Mac Addresses assigned and Unique:
www.howtogeek.com/228286/how-is-the-uniqueness-of-mac-addresses-enforced/