What this means
The IEEE assigned the MA-M block 904E912 to North Pole Engineering, Inc.. 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 90:4E:91:2, it is North Pole Engineering, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 904E912?
904E912 is registered to North Pole Engineering, Inc. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. North Pole Engineering, Inc.'s block covers 1,048,576 addresses.
What devices use 904E912?
Any network device with a MAC address starting 90:4E:91:2 was manufactured by or for North Pole Engineering, Inc..