4 ms·Fortunately MAC addresses are 64bit. I've not run out of them yet.by ohiovr 4y agoFortunately MAC addresses are 64bit. I've not run out of them yet.Genbox 4y agoFor Ethernet, MAC addresses are 48 bits long.egberts1 4y agoProbably confused an IPv6 with a MAC or something. But nonetheless, it was good for a chuckle.