Helmholtz Centre Berlin for Material and Energy

Any device whose MAC address begins with 00:23:49 has a network interface built by Helmholtz Centre Berlin for Material and Energy. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:23:49

Organization

Helmholtz Centre Berlin for Material and Energy

Address

Department FMD Berlin DE 14109

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.