What this means
The IEEE assigned the MA-M block 28FD807 to University of York. 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 28:FD:80:7, it is University of York hardware.
Frequently Asked Questions
Who owns MAC prefix 28FD807?
28FD807 is registered to University of York 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. University of York's block covers 1,048,576 addresses.
What devices use 28FD807?
Any network device with a MAC address starting 28:FD:80:7 was manufactured by or for University of York.