Who owns MAC prefix 0CEFAF6?

0CEFAF6 is registered to Firmware Design AS in the IEEE MA-M registry.

What devices use 0CEFAF6?

Any network device with a MAC address starting 0C:EF:AF:6 was manufactured by or for Firmware Design AS.

MA-M · OUI prefix

Firmware Design AS

Any MAC address starting 0C:EF:AF:6 is registered to Firmware Design AS in NO.

OUI prefix	0CEFAF6
Vendor	Firmware Design AS
Registry	MA-M (28-bit, medium block)
Country	NO
Example MAC	0C:EF:AF:6:00:00:00

What this means

The IEEE assigned the MA-M block 0CEFAF6 to Firmware Design AS. 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 0C:EF:AF:6, it is Firmware Design AS hardware.

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