Honeywell Life Safety

Any device whose MAC address begins with 00:1E:1E has a network interface built by Honeywell Life Safety. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1E:1E

Organization

Honeywell Life Safety

Address

12 Clintonville Road Northford CT US 0422

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.