EFR Europäische Funk-Rundsteuerung GmbH

Any device whose MAC address begins with B8:2A:DC has a network interface built by EFR Europäische Funk-Rundsteuerung 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

B8:2A:DC

Organization

EFR Europäische Funk-Rundsteuerung GmbH

Address

Nymphenburger Straße 20b Munich DE 80335

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.