Who owns MAC prefix B41CAB?

B41CAB is registered to ICR, inc. in the IEEE MA-L registry.

What devices use B41CAB?

Any network device with a MAC address starting B4:1C:AB was manufactured by or for ICR, inc..

MA-L · OUI prefix

ICR, inc.

Any MAC address starting B4:1C:AB is registered to ICR, inc. in US.

OUI prefix	B41CAB
Vendor	ICR, inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	B4:1C:AB:00:00:00

What this means

The IEEE assigned the MA-L block B41CAB to ICR, 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 B4:1C:AB, it is ICR, inc. hardware.

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