IBT Interfaces

Any device whose MAC address begins with 18:03:FA has a network interface built by IBT Interfaces. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

18:03:FA

Organization

IBT Interfaces

Address

Im Taubhaus 19 Roedermark Hessen DE 63322

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.