Siba Service

Any device whose MAC address begins with 04:1C:DB has a network interface built by Siba Service. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

04:1C:DB

Organization

Siba Service

Address

6F, Kobe Commerce, Industry and Trade Center Building, 5-1-14 Hamabe-dori, Chuo-ku Kobe-shi Hyogo-ken JP 6510083

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.