Who owns MAC prefix 909F43?

909F43 is registered to Accutron Instruments Inc. in the IEEE MA-L registry.

What devices use 909F43?

Any network device with a MAC address starting 90:9F:43 was manufactured by or for Accutron Instruments Inc..

MA-L · OUI prefix

Accutron Instruments Inc.

Any MAC address starting 90:9F:43 is registered to Accutron Instruments Inc. in CA.

OUI prefix	909F43
Vendor	Accutron Instruments Inc.
Registry	MA-L (24-bit, large block)
Country	CA
Example MAC	90:9F:43:00:00:00

What this means

The IEEE assigned the MA-L block 909F43 to Accutron Instruments 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 90:9F:43, it is Accutron Instruments Inc. hardware.

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