Who owns MAC prefix 000C4C?

000C4C is registered to Arcor AG&Co. in the IEEE MA-L registry.

What devices use 000C4C?

Any network device with a MAC address starting 00:0C:4C was manufactured by or for Arcor AG&Co..

MA-L · OUI prefix

Arcor AG&Co.

Any MAC address starting 00:0C:4C is registered to Arcor AG&Co. in DE.

OUI prefix	000C4C
Vendor	Arcor AG&Co.
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:0C:4C:00:00:00

What this means

The IEEE assigned the MA-L block 000C4C to Arcor AG&Co.. 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 00:0C:4C, it is Arcor AG&Co. hardware.

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