TalkSwitch

Any device whose MAC address begins with 00:0F:4D has a network interface built by TalkSwitch. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0F:4D

Organization

TalkSwitch

Address

1545 Carling Ave Ottawa Ontario CA K1Z 8P9

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.