Zetta Systems, Inc.

Any device whose MAC address begins with 00:12:D3 has a network interface built by Zetta Systems, Inc.. 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:D3

Organization

Zetta Systems, Inc.

Address

17311 135th AVE NE Woodinville WA US 98072

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.