Genuine Optics

Any device whose MAC address begins with B0:4F:3C has a network interface built by Genuine Optics. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B0:4F:3C

Organization

Genuine Optics

Address

2025 Gateway Place, Suite 128 San Jose CA US 95110

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.