Who owns MAC prefix 401D59?

401D59 is registered to Biometric Associates, LP in the IEEE MA-L registry.

What devices use 401D59?

Any network device with a MAC address starting 40:1D:59 was manufactured by or for Biometric Associates, LP.

MA-L · OUI prefix

Biometric Associates, LP

Any MAC address starting 40:1D:59 is registered to Biometric Associates, LP in US.

OUI prefix	401D59
Vendor	Biometric Associates, LP
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	40:1D:59:00:00:00

What this means

The IEEE assigned the MA-L block 401D59 to Biometric Associates, LP. 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 40:1D:59, it is Biometric Associates, LP hardware.

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