ISR TECHNOLOGIES Inc

Any device whose MAC address begins with 00:12:A7 has a network interface built by ISR TECHNOLOGIES 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

00:12:A7

Organization

ISR TECHNOLOGIES Inc

Address

1100, rue Notre-Dame Ouest Montreal Quebec CA H3C 1K3

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.