Who owns MAC prefix C0A0C7?

C0A0C7 is registered to FAIRFIELD INDUSTRIES in the IEEE MA-L registry.

What devices use C0A0C7?

Any network device with a MAC address starting C0:A0:C7 was manufactured by or for FAIRFIELD INDUSTRIES.

MA-L · OUI prefix

FAIRFIELD INDUSTRIES

Any MAC address starting C0:A0:C7 is registered to FAIRFIELD INDUSTRIES in US.

OUI prefix	C0A0C7
Vendor	FAIRFIELD INDUSTRIES
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	C0:A0:C7:00:00:00

What this means

The IEEE assigned the MA-L block C0A0C7 to FAIRFIELD INDUSTRIES. 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 C0:A0:C7, it is FAIRFIELD INDUSTRIES hardware.

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