system a.v. co., ltd.

Any device whose MAC address begins with 88:3F:0C has a network interface built by system a.v. 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

88:3F:0C

Organization

system a.v. co., ltd.

Address

5-16-1,Aoe,KIta-Ku Okayama Okayama JP 700-0941

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.