Observint Technologies, Inc.

Any device whose MAC address begins with 64:25:5E has a network interface built by Observint Technologies, 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

64:25:5E

Organization

Observint Technologies, Inc.

Address

11000 N Mopac Expressway Suite 300 Austin TX US 78759

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.