Adam Communications Systems Int Ltd

Any device whose MAC address begins with 00:1D:64 has a network interface built by Adam Communications Systems Int 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

00:1D:64

Organization

Adam Communications Systems Int Ltd

Address

The Mission Stockport Cheshire GB SK1 3AH

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.