Sonitrol Corporation

Any device whose MAC address begins with 00:19:89 has a network interface built by Sonitrol Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:19:89

Organization

Sonitrol Corporation

Address

1707 Orlando Central Pkwy. Orlando FL US 32809

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.