Bach-Simpson

Any device whose MAC address begins with C4:55:C2 has a network interface built by Bach-Simpson. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

C4:55:C2

Organization

Bach-Simpson

Address

109 Meg Drive London Ontario CA N6E3Z7

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.