Data Voice Technologies GmbH

Any device whose MAC address begins with 00:12:63 has a network interface built by Data Voice Technologies 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

00:12:63

Organization

Data Voice Technologies GmbH

Address

Stockholmer Allee 32b Dortmund NRW DE D-44269

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.