Manufacturing System Insights, Inc.

Any device whose MAC address begins with DC:3C:2E has a network interface built by Manufacturing System Insights, 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

DC:3C:2E

Organization

Manufacturing System Insights, Inc.

Address

2550 Ninth St. Berkely CA US 94710

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.