Sunray Co. Ltd.

Any device whose MAC address begins with 00:0F:F0 has a network interface built by Sunray Co. 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

00:0F:F0

Organization

Sunray Co. Ltd.

Address

Osawa2-5-5 Mitaka Tokyo JP 181-0015

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.