Who owns MAC prefix F46FA4?

F46FA4 is registered to Physik Instrumente GmbH & Co. KG in the IEEE MA-L registry.

What devices use F46FA4?

Any network device with a MAC address starting F4:6F:A4 was manufactured by or for Physik Instrumente GmbH & Co. KG.

MA-L · OUI prefix

Physik Instrumente GmbH & Co. KG

Any MAC address starting F4:6F:A4 is registered to Physik Instrumente GmbH & Co. KG in DE.

OUI prefix	F46FA4
Vendor	Physik Instrumente GmbH & Co. KG
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	F4:6F:A4:00:00:00

What this means

The IEEE assigned the MA-L block F46FA4 to Physik Instrumente GmbH & Co. KG. 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 F4:6F:A4, it is Physik Instrumente GmbH & Co. KG hardware.

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