VTI Instruments Corporation

Any device whose MAC address begins with 00:0D:3F has a network interface built by VTI Instruments 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

00:0D:3F

Organization

VTI Instruments Corporation

Address

5425 Warner Road, Suite 13 Valley View OH US 44125

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.