Who owns MAC prefix FCF1CD?

FCF1CD is registered to OPTEX-FA CO.,LTD. in the IEEE MA-L registry.

What devices use FCF1CD?

Any network device with a MAC address starting FC:F1:CD was manufactured by or for OPTEX-FA CO.,LTD..

MA-L · OUI prefix

OPTEX-FA CO.,LTD.

Any MAC address starting FC:F1:CD is registered to OPTEX-FA CO.,LTD. in JP.

OUI prefix	FCF1CD
Vendor	OPTEX-FA CO.,LTD.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	FC:F1:CD:00:00:00

What this means

The IEEE assigned the MA-L block FCF1CD to OPTEX-FA CO.,LTD.. 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 FC:F1:CD, it is OPTEX-FA CO.,LTD. hardware.

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