dnt Innovation GmbH

Any device whose MAC address begins with 70:66:E1 has a network interface built by dnt Innovation 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

70:66:E1

Organization

dnt Innovation GmbH

Address

Maiburger Straße 29 Leer DE 26789

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.