K Tech Infosystem Inc.

Any device whose MAC address begins with 00:09:E4 has a network interface built by K Tech Infosystem 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

00:09:E4

Organization

K Tech Infosystem Inc.

Address

B-405, Bundang Techno-Park 148, Yatap-do Seongnam Kyonggi-Do KR 464-070

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.