Who owns MAC prefix 0090C0?

0090C0 is registered to K.J. LAW ENGINEERS, INC. in the IEEE MA-L registry.

What devices use 0090C0?

Any network device with a MAC address starting 00:90:C0 was manufactured by or for K.J. LAW ENGINEERS, INC..

MA-L · OUI prefix

K.J. LAW ENGINEERS, INC.

Any MAC address starting 00:90:C0 is registered to K.J. LAW ENGINEERS, INC. in US.

OUI prefix	0090C0
Vendor	K.J. LAW ENGINEERS, INC.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:90:C0:00:00:00

What this means

The IEEE assigned the MA-L block 0090C0 to K.J. LAW ENGINEERS, 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 00:90:C0, it is K.J. LAW ENGINEERS, INC. hardware.

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