What this means
The IEEE assigned the MA-L block 000812 to GM-2 Corporation. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:08:12, it is GM-2 Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 000812?
000812 is registered to GM-2 Corporation in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. GM-2 Corporation's block covers 16,777,216 addresses.
What devices use 000812?
Any network device with a MAC address starting 00:08:12 was manufactured by or for GM-2 Corporation.