GREAT COMPUTER CORPORATION

Any device whose MAC address begins with 90:1E:DD has a network interface built by GREAT COMPUTER CORPORATION. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

90:1E:DD

Organization

GREAT COMPUTER CORPORATION

Address

4F., No.236, Fude 2nd Rd., Xizhi Dist., New Taipei City TW 22151

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.