Semikron Elektronik GmbH & Co. KG

Any device whose MAC address begins with A0:31:EB has a network interface built by Semikron Elektronik GmbH & Co. KG. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

A0:31:EB

Organization

Semikron Elektronik GmbH & Co. KG

Address

Sigmundstrasse 200 Nürnberg Bavaria DE 90431

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.