FUJIKURA RUBBER LTD.

Any device whose MAC address begins with 10:A1:3B has a network interface built by FUJIKURA RUBBER 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

10:A1:3B

Organization

FUJIKURA RUBBER LTD.

Address

1-840,Mihashi,Omiya Saitama JP 330-0856

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.