G. Star Technology Corporation

Any device whose MAC address begins with 00:04:78 has a network interface built by G. Star Technology 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

00:04:78

Organization

G. Star Technology Corporation

Address

4th Floor, No. 118, Sector 2 Taipei City Taipei City TW TAIWAN

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.