LEAR

Any device whose MAC address begins with 34:4E:2F has a network interface built by LEAR. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

34:4E:2F

Organization

LEAR

Address

Carrer Fuster 54 Valls Tarragona ES 43800

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.