NVIDIA Corporation

Any device whose MAC address begins with 48:31:06 has a network interface built by NVIDIA 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

48:31:06

Organization

NVIDIA Corporation

Address

2701 San Tomas Expressway Santa Clara CA US 95050

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.