US ARMY ELECTRONIC

Any device whose MAC address begins with 00:C0:ED has a network interface built by US ARMY ELECTRONIC. 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:C0:ED

Organization

US ARMY ELECTRONIC

Address

PROVING GROUND SIERRA VISTA AZ US 85635

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.