MIWA LOCK CO.,LTD.

Any device whose MAC address begins with 98:9D:40 has a network interface built by MIWA LOCK 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

98:9D:40

Organization

MIWA LOCK CO.,LTD.

Address

1028-1,Yamagami Tamaki-tyou Mie JP 519-0436

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.