What this means

The IEEE assigned the MA-M block 28FD803 to NUUO, 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 28:FD:80:3, it is NUUO, Inc. hardware.

Frequently Asked Questions

Who owns MAC prefix 28FD803?

28FD803 is registered to NUUO, 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. NUUO, Inc.'s block covers 1,048,576 addresses.

What devices use 28FD803?

Any network device with a MAC address starting 28:FD:80:3 was manufactured by or for NUUO, Inc..