Who owns MAC prefix D43D67?

D43D67 is registered to Carma Industries Inc. in the IEEE MA-L registry.

What devices use D43D67?

Any network device with a MAC address starting D4:3D:67 was manufactured by or for Carma Industries Inc..

MA-L · OUI prefix

Carma Industries Inc.

Any MAC address starting D4:3D:67 is registered to Carma Industries Inc..

OUI prefix	D43D67
Vendor	Carma Industries Inc.
Registry	MA-L (24-bit, large block)
Example MAC	D4:3D:67:00:00:00

What this means

The IEEE assigned the MA-L block D43D67 to Carma Industries 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 D4:3D:67, it is Carma Industries Inc. hardware.

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