Who owns MAC prefix 8C1F6427A?

8C1F6427A is registered to Rudolf Riester GmbH in the IEEE MA-S registry.

What devices use 8C1F6427A?

Any network device with a MAC address starting 8C:1F:64:27:A was manufactured by or for Rudolf Riester GmbH.

MA-S · OUI prefix

Rudolf Riester GmbH

Any MAC address starting 8C:1F:64:27:A is registered to Rudolf Riester GmbH in DE.

OUI prefix	8C1F6427A
Vendor	Rudolf Riester GmbH
Registry	MA-S (36-bit, small block)
Country	DE
Example MAC	8C:1F:64:27:A:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F6427A to Rudolf Riester 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 8C:1F:64:27:A, it is Rudolf Riester GmbH hardware.

Look up another MAC