data-complex GmbH

Any device whose MAC address begins with E0:3E:7D has a network interface built by data-complex 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

E0:3E:7D

Organization

data-complex GmbH

Address

Düsterngraben 7 Halberstadt Sachsen-Anhalt DE 38820

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.