GIRD Systems Inc

Any device whose MAC address begins with EC:83:D5 has a network interface built by GIRD Systems 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

EC:83:D5

Organization

GIRD Systems Inc

Address

11260 Chester Road, Ste. 600 Cincinnati OH US 45246

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.