Owitek Technology Ltd.,

Any device whose MAC address begins with 00:1E:78 has a network interface built by Owitek Technology 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

00:1E:78

Organization

Owitek Technology Ltd.,

Address

No.2, Lane 78, Cingshan 6th St., Taoyuan County TW 32657

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.