F E T Elettronica snc

Any device whose MAC address begins with 00:23:53 has a network interface built by F E T Elettronica snc. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:23:53

Organization

F E T Elettronica snc

Address

Via Alessandro Manzoni 14/a Poggibonsi Siena IT 53036

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.