Se-Kure Controls, Inc.

Any device whose MAC address begins with 34:BA:51 has a network interface built by Se-Kure Controls, 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

34:BA:51

Organization

Se-Kure Controls, Inc.

Address

3714 Runge Street Franklin Park IL US 60131

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.