Kyland-USA

Any device whose MAC address begins with 78:EC:74 has a network interface built by Kyland-USA. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

78:EC:74

Organization

Kyland-USA

Address

1107 SE Willow Pl Blue Springs MO US 64014

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.