LSI LOGIC CORPORATION

Any device whose MAC address begins with 00:80:5E has a network interface built by LSI LOGIC CORPORATION. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:80:5E

Organization

LSI LOGIC CORPORATION

Address

1551 MCCARTHY BOULEVARD MILPITAS CA US 95035

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.