Pico Systems Co., Ltd.

Any device whose MAC address begins with C0:58:A7 has a network interface built by Pico Systems 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

C0:58:A7

Organization

Pico Systems Co., Ltd.

Address

332-7 Kouya Matsudo Chiba pref. JP 270-0017

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.