Allworx Corp.

Any device whose MAC address begins with 00:0A:DD has a network interface built by Allworx Corp.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0A:DD

Organization

Allworx Corp.

Address

245 East Main Street East Rochester NY US 14604

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.