First Silicon Solutions

Any device whose MAC address begins with 00:0F:75 has a network interface built by First Silicon Solutions. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0F:75

Organization

First Silicon Solutions

Address

13939 Forest Lane Larkspur CO US 80118

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.