LAM Technologies

Any device whose MAC address begins with 74:5F:90 has a network interface built by LAM Technologies. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

74:5F:90

Organization

LAM Technologies

Address

Viale Ludovico Ariosto, 492/D Sesto Fiorentino FIRENZE IT 50019

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.