Sigmastar Technology Ltd.

Any device whose MAC address begins with 14:C9:CF has a network interface built by Sigmastar Technology 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

14:C9:CF

Organization

Sigmastar Technology Ltd.

Address

No. 1, HoZan Road, Tong'an District X iamen Fujian Province CN 361100

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.