CHIPSEN INC.

Any device whose MAC address begins with C8:C8:73 has a network interface built by CHIPSEN INC.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

C8:C8:73

Organization

CHIPSEN INC.

Address

501, Gwangmyeong M-cluster 17, Deogan-ro 104beon-gil Gwangmyeong-si Gyeonggi-do KR 14353

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.