Who owns MAC prefix CCD39DB?

CCD39DB is registered to Q-Branch Labs, Inc. in the IEEE MA-M registry.

What devices use CCD39DB?

Any network device with a MAC address starting CC:D3:9D:B was manufactured by or for Q-Branch Labs, Inc..

MA-M · OUI prefix

Q-Branch Labs, Inc.

Any MAC address starting CC:D3:9D:B is registered to Q-Branch Labs, Inc. in US.

OUI prefix	CCD39DB
Vendor	Q-Branch Labs, Inc.
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	CC:D3:9D:B:00:00:00

What this means

The IEEE assigned the MA-M block CCD39DB to Q-Branch Labs, Inc.. 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 CC:D3:9D:B, it is Q-Branch Labs, Inc. hardware.

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