TGW Mechanics GmbH

Any device whose MAC address begins with 54:31:D4 has a network interface built by TGW Mechanics GmbH. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

54:31:D4

Organization

TGW Mechanics GmbH

Address

Collmannstraße 2 Wels AT 4600

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.