Rulogic Inc.

Any device whose MAC address begins with F8:F5:19 has a network interface built by Rulogic 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

F8:F5:19

Organization

Rulogic Inc.

Address

501 Silverside Road, Suite 105 Wilmington DE US 19809

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.