INET,INC.

Any device whose MAC address begins with 00:20:C4 has a network interface built by INET,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

00:20:C4

Organization

INET,INC.

Address

801 E. CAMPBELL-STE.#330 RICHARDSON TX US 75081

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.