GBO Technology

Any device whose MAC address begins with 78:DA:B3 has a network interface built by GBO Technology. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

78:DA:B3

Organization

GBO Technology

Address

1150 Bayhill Dr. Ste. 111 San Bruno CA US 94066

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.