ELECOM CO.,LTD.

Any device whose MAC address begins with 38:97:A4 has a network interface built by ELECOM 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

38:97:A4

Organization

ELECOM CO.,LTD.

Address

2F Kudan First Place Bldg. 4-1-28 Chiyoda-ku Kudan Kita JP 102-0073

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.