Who owns MAC prefix CCD31ED?

CCD31ED is registered to CUJO LLC in the IEEE MA-M registry.

What devices use CCD31ED?

Any network device with a MAC address starting CC:D3:1E:D was manufactured by or for CUJO LLC.

MA-M · OUI prefix

CUJO LLC

Any MAC address starting CC:D3:1E:D is registered to CUJO LLC in US.

OUI prefix	CCD31ED
Vendor	CUJO LLC
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	CC:D3:1E:D:00:00:00

What this means

The IEEE assigned the MA-M block CCD31ED to CUJO LLC. 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:D3:1E:D, it is CUJO LLC hardware.

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