Litchfield Communications Inc.

Any device whose MAC address begins with 00:0B:71 has a network interface built by Litchfield Communications 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

00:0B:71

Organization

Litchfield Communications Inc.

Address

27 Princeton Road Watertown CT US 06795

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.