Who owns MAC prefix C8C791?

C8C791 is registered to Zero1.tv GmbH in the IEEE MA-L registry.

What devices use C8C791?

Any network device with a MAC address starting C8:C7:91 was manufactured by or for Zero1.tv GmbH.

MA-L · OUI prefix

Zero1.tv GmbH

Any MAC address starting C8:C7:91 is registered to Zero1.tv GmbH in DE.

OUI prefix	C8C791
Vendor	Zero1.tv GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	C8:C7:91:00:00:00

What this means

The IEEE assigned the MA-L block C8C791 to Zero1.tv 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 C8:C7:91, it is Zero1.tv GmbH hardware.

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