Secom-Industry co.LTD.

Any device whose MAC address begins with 00:11:47 has a network interface built by Secom-Industry co.LTD.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:11:47

Organization

Secom-Industry co.LTD.

Address

Fukuoka Kuramoto Ichihonki 3-3 Shiroishi Miyagi JP 989-0295

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.