INTARSO GmbH

Any device whose MAC address begins with 10:54:03 has a network interface built by INTARSO 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

10:54:03

Organization

INTARSO GmbH

Address

Schuchardstr. 3 Düsseldorf NRW DE 40595

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.