Fairmount Automation

Any device whose MAC address begins with 00:16:5F has a network interface built by Fairmount Automation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:16:5F

Organization

Fairmount Automation

Address

4621 West Chester Pike Newtown Square PA US 19073

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.