BDR Thermea Group B.V

Any device whose MAC address begins with 94:EF:49 has a network interface built by BDR Thermea Group B.V. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

94:EF:49

Organization

BDR Thermea Group B.V

Address

Kanaal Zuid 106 Apeldoorn NL 7332BD

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.