Lenntek Corporation

Any device whose MAC address begins with 00:18:9F has a network interface built by Lenntek Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:18:9F

Organization

Lenntek Corporation

Address

4F, 125 GuangMing 3rd. Road Jhu Bei Hsin Chu TW 302

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.