Who owns MAC prefix 20CBCC?

20CBCC is registered to GridVisibility, inc. in the IEEE MA-L registry.

What devices use 20CBCC?

Any network device with a MAC address starting 20:CB:CC was manufactured by or for GridVisibility, inc..

MA-L · OUI prefix

GridVisibility, inc.

Any MAC address starting 20:CB:CC is registered to GridVisibility, inc. in US.

OUI prefix	20CBCC
Vendor	GridVisibility, inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	20:CB:CC:00:00:00

What this means

The IEEE assigned the MA-L block 20CBCC to GridVisibility, 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 20:CB:CC, it is GridVisibility, inc. hardware.

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