Opticon Sensors Europe B.V.

Any device whose MAC address begins with 38:89:DC has a network interface built by Opticon Sensors Europe B.V.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

38:89:DC

Organization

Opticon Sensors Europe B.V.

Address

Opaallaan 35 Hoofddorp Noord Holland NL 2132 XV

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.