INGENICO

Any device whose MAC address begins with 54:7F:54 has a network interface built by INGENICO. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

54:7F:54

Organization

INGENICO

Address

9, avenue de la gare - BP 25156 Valence cedex 9 FR 26958

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.