Networked Energy Services

Any device whose MAC address begins with 00:59:79 has a network interface built by Networked Energy Services. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:59:79

Organization

Networked Energy Services

Address

5215 Hellyer Avenue San Jose CA US 95138

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.