Plexxi, Inc.

Any device whose MAC address begins with E0:39:D7 has a network interface built by Plexxi, 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

E0:39:D7

Organization

Plexxi, Inc.

Address

100 Innovative Way Suite 3322 Nashua NH US 03062

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.