ZTEC Instruments, Inc.

Any device whose MAC address begins with 78:66:AE has a network interface built by ZTEC Instruments, 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

78:66:AE

Organization

ZTEC Instruments, Inc.

Address

7715 Tiburon St. NE Albuquerque NM US 87109

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.