Who owns MAC prefix A43BFA2?

A43BFA2 is registered to Powell Industries in the IEEE MA-M registry.

What devices use A43BFA2?

Any network device with a MAC address starting A4:3B:FA:2 was manufactured by or for Powell Industries.

MA-M · OUI prefix

Powell Industries

Any MAC address starting A4:3B:FA:2 is registered to Powell Industries.

OUI prefix	A43BFA2
Vendor	Powell Industries
Registry	MA-M (28-bit, medium block)
Example MAC	A4:3B:FA:2:00:00:00

What this means

The IEEE assigned the MA-M block A43BFA2 to Powell Industries. 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 A4:3B:FA:2, it is Powell Industries hardware.

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