What this means
The IEEE assigned the MA-M block A0224E3 to ProPhotonix. 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 A0:22:4E:3, it is ProPhotonix hardware.
Frequently Asked Questions
Who owns MAC prefix A0224E3?
A0224E3 is registered to ProPhotonix 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. ProPhotonix's block covers 1,048,576 addresses.
What devices use A0224E3?
Any network device with a MAC address starting A0:22:4E:3 was manufactured by or for ProPhotonix.