Cosmo Techs Co., Ltd.

Any device whose MAC address begins with 00:0F:1D has a network interface built by Cosmo Techs 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

00:0F:1D

Organization

Cosmo Techs Co., Ltd.

Address

2-6-1, Matsue Atsugi-shi Kanagawa-ken JP 243-0005

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.