Eppendorf Instrumente GmbH

Any device whose MAC address begins with 00:13:3F has a network interface built by Eppendorf Instrumente 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

00:13:3F

Organization

Eppendorf Instrumente GmbH

Address

Barkhausenweg 1 Hamburg DE DE 22339

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.