EMTAKE Inc

Any device whose MAC address begins with F4:F1:97 has a network interface built by EMTAKE 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

F4:F1:97

Organization

EMTAKE Inc

Address

14, Pangyoyeok ro 192, Bundang gu Seongnam city Kyeonggi do KR 13524

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.