Taijin Media Co., Ltd.

Any device whose MAC address begins with 00:05:1F has a network interface built by Taijin Media 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

00:05:1F

Organization

Taijin Media Co., Ltd.

Address

640-8 Tungchon-Dong Seoul KR 157-030

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.