Janz - Contadores de Energia, SA

Any device whose MAC address begins with F0:00:7F has a network interface built by Janz - Contadores de Energia, SA. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

F0:00:7F

Organization

Janz - Contadores de Energia, SA

Address

Avenida Infante D. Henrique Lisbon PT 1800-223

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.