Benu Networks, Inc.

Any device whose MAC address begins with F4:3E:9D has a network interface built by Benu Networks, 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

F4:3E:9D

Organization

Benu Networks, Inc.

Address

300 Rd., Suite 110 Billerica MA US 01821

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.