What devices use 28FC51?

Any network device with a MAC address starting 28:FC:51 was manufactured by or for The Electric Controller and Manufacturing Co., LLC.

MA-L · OUI prefix

The Electric Controller and Manufacturing Co., LLC

Q: Who owns MAC prefix 28FC51?

28FC51 is registered to The Electric Controller and Manufacturing Co., LLC in the IEEE MA-L registry.

Any MAC address starting 28:FC:51 is registered to The Electric Controller and Manufacturing Co., LLC in US.

OUI prefix	28FC51
Vendor	The Electric Controller and Manufacturing Co., LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	28:FC:51:00:00:00

What this means

The IEEE assigned the MA-L block 28FC51 to The Electric Controller and Manufacturing Co., LLC. 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:FC:51, it is The Electric Controller and Manufacturing Co., LLC hardware.

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