I Controls, Inc.

Any device whose MAC address begins with 00:90:09 has a network interface built by I Controls, 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

00:90:09

Organization

I Controls, Inc.

Address

2nd Fl, I'Park 302, 11 Jeongja-Dong, Seongnam Gyeonggi-Do KR 463-859

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.