Chubb Electronic Security Systems Ltd

Any device whose MAC address begins with 00:1C:5B has a network interface built by Chubb Electronic Security Systems Ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1C:5B

Organization

Chubb Electronic Security Systems Ltd

Address

Shadsworth Road Blackburn Lancashire GB BB1 2PR

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.