Who owns MAC prefix 3C57BD?

3C57BD is registered to Kessler Crane Inc. in the IEEE MA-L registry.

What devices use 3C57BD?

Any network device with a MAC address starting 3C:57:BD was manufactured by or for Kessler Crane Inc..

MA-L · OUI prefix

Kessler Crane Inc.

Any MAC address starting 3C:57:BD is registered to Kessler Crane Inc. in US.

OUI prefix	3C57BD
Vendor	Kessler Crane Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	3C:57:BD:00:00:00

What this means

The IEEE assigned the MA-L block 3C57BD to Kessler Crane 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 3C:57:BD, it is Kessler Crane Inc. hardware.

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