Who owns MAC prefix A43BFA6?

A43BFA6 is registered to Recognition Systems LLC in the IEEE MA-M registry.

What devices use A43BFA6?

Any network device with a MAC address starting A4:3B:FA:6 was manufactured by or for Recognition Systems LLC.

MA-M · OUI prefix

Recognition Systems LLC

Any MAC address starting A4:3B:FA:6 is registered to Recognition Systems LLC in US.

OUI prefix	A43BFA6
Vendor	Recognition Systems LLC
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	A4:3B:FA:6:00:00:00

What this means

The IEEE assigned the MA-M block A43BFA6 to Recognition Systems 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 A4:3B:FA:6, it is Recognition Systems LLC hardware.

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