Nucsafe Inc.

Any device whose MAC address begins with 00:1C:21 has a network interface built by Nucsafe Inc.. 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:21

Organization

Nucsafe Inc.

Address

601 Oak Ridge Turnpike Oak Ridge Tennessee US 37830

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.