Naviit Inc.

Any device whose MAC address begins with 40:C7:C9 has a network interface built by Naviit Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

40:C7:C9

Organization

Naviit Inc.

Address

3058A Scott Blvd. Santa Clara CA US 95054

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.