Who owns MAC prefix 28A574?

28A574 is registered to Miller Electric Mfg. Co. in the IEEE MA-L registry.

What devices use 28A574?

Any network device with a MAC address starting 28:A5:74 was manufactured by or for Miller Electric Mfg. Co..

MA-L · OUI prefix

Miller Electric Mfg. Co.

Any MAC address starting 28:A5:74 is registered to Miller Electric Mfg. Co. in US.

OUI prefix	28A574
Vendor	Miller Electric Mfg. Co.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	28:A5:74:00:00:00

What this means

The IEEE assigned the MA-L block 28A574 to Miller Electric Mfg. Co.. 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:A5:74, it is Miller Electric Mfg. Co. hardware.

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