ELXSI

Any device whose MAC address begins with 08:00:85 has a network interface built by ELXSI. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

08:00:85

Organization

ELXSI

Address

2334 LUNDY PLACE SAN JOSE CA US 95131

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.