LXI Consortium

Any device whose MAC address begins with 00:21:D6 has a network interface built by LXI Consortium. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:21:D6

Organization

LXI Consortium

Address

P.O. Box 1016 Niwot CO US 80544-1016

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.