woori-net

Any device whose MAC address begins with 00:11:F4 has a network interface built by woori-net. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:11:F4

Organization

woori-net

Address

#508, Hankook Moolyu, 853-1 Dongchun-Dong Yongin-Si Kyungki-Do KR 449-843

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.