K.J. LAW ENGINEERS, INC.

Any device whose MAC address begins with 00:90:C0 has a network interface built by K.J. LAW ENGINEERS, INC.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:90:C0

Organization

K.J. LAW ENGINEERS, INC.

Address

42300 W. NINE MILE ROAD NOVI MI US 48375

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.