COWBELL ENGINEERING CO., LTD.

Any device whose MAC address begins with 00:1C:DD has a network interface built by COWBELL ENGINEERING 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

00:1C:DD

Organization

COWBELL ENGINEERING CO., LTD.

Address

1739-1 Nagatoro SAKU Nagano JP 385-0021

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.