Winnertec System Co., Ltd.

Any device whose MAC address begins with 00:0F:89 has a network interface built by Winnertec System Co., 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

00:0F:89

Organization

Winnertec System Co., Ltd.

Address

#405, 4th Floor. Ace-Techno Tower III, 197-48, Seoul KR 152-766

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.