New Business Division/Rhea-Information CO., LTD.

Any device whose MAC address begins with 00:1C:80 has a network interface built by New Business Division/Rhea-Information 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

00:1C:80

Organization

New Business Division/Rhea-Information CO., LTD.

Address

4F 594 Yeong Pung Bldg, Gueui-Dong Seoul Gwangjin-Gu KR 143-200

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.