Efore Oyj (Plc)

Any device whose MAC address begins with 00:12:B0 has a network interface built by Efore Oyj (Plc). This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:12:B0

Organization

Efore Oyj (Plc)

Address

Quartetto Business Park Espoo FI FI - 02600

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.