CYGNET SYSTEMS

Any device whose MAC address begins with 08:00:4F has a network interface built by CYGNET SYSTEMS. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

08:00:4F

Organization

CYGNET SYSTEMS

Address

2560 JUNCTION AVENUE SAN JOSE CA US 95134

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.