Who owns MAC prefix D44F80?

D44F80 is registered to Kemper Digital GmbH in the IEEE MA-L registry.

What devices use D44F80?

Any network device with a MAC address starting D4:4F:80 was manufactured by or for Kemper Digital GmbH.

MA-L · OUI prefix

Kemper Digital GmbH

Any MAC address starting D4:4F:80 is registered to Kemper Digital GmbH in DE.

OUI prefix	D44F80
Vendor	Kemper Digital GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	D4:4F:80:00:00:00

What this means

The IEEE assigned the MA-L block D44F80 to Kemper Digital GmbH. 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 D4:4F:80, it is Kemper Digital GmbH hardware.

Look up another MAC