GSI Helmholtzzentrum für Schwerionenforschung GmbH

Any device whose MAC address begins with 00:26:7B has a network interface built by GSI Helmholtzzentrum für Schwerionenforschung 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

00:26:7B

Organization

GSI Helmholtzzentrum für Schwerionenforschung GmbH

Address

Planckstraße 1 Darmstadt Hessen DE 64291

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.