CS Services Co.,Ltd.

Any device whose MAC address begins with 38:C7:BA has a network interface built by CS Services 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

38:C7:BA

Organization

CS Services Co.,Ltd.

Address

Imon BLDG 95 Edomachi Kobe Hyogo JP 6500033

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.