Rudolf Riester GmbH - MAC Prefix 8C1F6427A (MA-S)

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.

Frequently Asked Questions

Who owns MAC prefix 8C1F6427A?

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

What does the MA-S registry type mean?

An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. Rudolf Riester GmbH's block covers 4,096 addresses.

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.

OUI prefix	8C1F6427A
Vendor	Rudolf Riester GmbH
Registry	MA-S (36-bit, small block)
Block size	4,096 addresses
Country	DE
Other blocks by this vendor	1 total
Example MAC	8C:1F:64:27:A:00:00:00