The IMS Company

Any device whose MAC address begins with EC:FA:AA has a network interface built by The IMS Company. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

EC:FA:AA

Organization

The IMS Company

Address

2929 E. Imperial Highway Brea CA US 92821

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.