Celestial Semiconductor, Ltd

Any device whose MAC address begins with 00:1A:CC has a network interface built by Celestial Semiconductor, 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

00:1A:CC

Organization

Celestial Semiconductor, Ltd

Address

Ugland House, South Church Street, George Town, Cayman Islands KY 00000

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.