F-Secure Corporation

Any device whose MAC address begins with F0:27:45 has a network interface built by F-Secure Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

F0:27:45

Organization

F-Secure Corporation

Address

Tammasaarenkatu 7 Helsinki FI 00181

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.