Who owns MAC prefix 6CDC6A?

6CDC6A is registered to Promethean Limited in the IEEE MA-L registry.

What devices use 6CDC6A?

Any network device with a MAC address starting 6C:DC:6A was manufactured by or for Promethean Limited.

MA-L · OUI prefix

Promethean Limited

Any MAC address starting 6C:DC:6A is registered to Promethean Limited.

OUI prefix	6CDC6A
Vendor	Promethean Limited
Registry	MA-L (24-bit, large block)
Example MAC	6C:DC:6A:00:00:00

What this means

The IEEE assigned the MA-L block 6CDC6A to Promethean Limited. 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 6C:DC:6A, it is Promethean Limited hardware.

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