REFU Storage System GmbH - MAC Prefix 8C1F6453B (MA-S)

What this means

The IEEE assigned the MA-S block 8C1F6453B to REFU Storage System 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:64:53:B, it is REFU Storage System GmbH hardware.

Frequently Asked Questions

Who owns MAC prefix 8C1F6453B?

8C1F6453B is registered to REFU Storage System 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. REFU Storage System GmbH's block covers 4,096 addresses.

What devices use 8C1F6453B?

Any network device with a MAC address starting 8C:1F:64:53:B was manufactured by or for REFU Storage System GmbH.

OUI prefix	8C1F6453B
Vendor	REFU Storage System 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:64:53:B:00:00:00