Sony Corporation

Any device whose MAC address begins with 8C:64:22 has a network interface built by Sony 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

8C:64:22

Organization

Sony Corporation

Address

4-12-3 Higashi – Shinagawa Shinagawa-ku Tokyo JP 140-0002

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.