Elma Electronic AG
Any device whose MAC address begins with D0:47:C1 has a network interface built by Elma Electronic AG. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- D0:47:C1
- Organization
- Elma Electronic AG
- Address
- Hofstrasse 93 Wetzikon Zuerich CH 8620
- 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.