Ottec Technology GmbH

Any device whose MAC address begins with E4:41:E6 has a network interface built by Ottec Technology 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

E4:41:E6

Organization

Ottec Technology GmbH

Address

Bünteweg 33 Gehrden Lower Saxony DE 30989

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.