Naval Research Laboratory

Any device whose MAC address begins with 00:09:9C has a network interface built by Naval Research Laboratory. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:09:9C

Organization

Naval Research Laboratory

Address

Code 5592 Washington DC US 20375-5000

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.