United Internetworks, Inc.

Any device whose MAC address begins with 00:06:C0 has a network interface built by United Internetworks, 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

00:06:C0

Organization

United Internetworks, Inc.

Address

5072 North 300 West, Suite 2N Provo UT US 84604

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.