Osterhout Design Group

Any device whose MAC address begins with 80:A8:5D has a network interface built by Osterhout Design Group. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

80:A8:5D

Organization

Osterhout Design Group

Address

153 Townsend Suite 570 San Francisco CA US 94107

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.