Who owns MAC prefix 3C912B?

3C912B is registered to Vexata Inc in the IEEE MA-L registry.

What devices use 3C912B?

Any network device with a MAC address starting 3C:91:2B was manufactured by or for Vexata Inc.

MA-L · OUI prefix

Vexata Inc

Any MAC address starting 3C:91:2B is registered to Vexata Inc in US.

OUI prefix	3C912B
Vendor	Vexata Inc
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	3C:91:2B:00:00:00

What this means

The IEEE assigned the MA-L block 3C912B to Vexata 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:91:2B, it is Vexata Inc hardware.

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