HAN CHANG

Any device whose MAC address begins with D0:CE:C9 has a network interface built by HAN CHANG. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D0:CE:C9

Organization

HAN CHANG

Address

171, Gasan digital 1-ro, Geumcheon-gu, Seoul, Republic of Korea Seoul Geumcheon-gu, Seoul KR 08503

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.