Who owns MAC prefix 00165A?

00165A is registered to Harman Specialty Group in the IEEE MA-L registry.

What devices use 00165A?

Any network device with a MAC address starting 00:16:5A was manufactured by or for Harman Specialty Group.

MA-L · OUI prefix

Harman Specialty Group

Any MAC address starting 00:16:5A is registered to Harman Specialty Group in US.

OUI prefix	00165A
Vendor	Harman Specialty Group
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:16:5A:00:00:00

What this means

The IEEE assigned the MA-L block 00165A to Harman Specialty Group. 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 00:16:5A, it is Harman Specialty Group hardware.

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