Wesemann Elektrotechniek B.V.

Any device whose MAC address begins with 00:1E:DA has a network interface built by Wesemann Elektrotechniek 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

00:1E:DA

Organization

Wesemann Elektrotechniek B.V.

Address

Droogbloem 31 Rotterdam Zuid-Holland NL 3068 AW

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.