Cognitive Systems Corp.

Any device whose MAC address begins with 58:BC:8F has a network interface built by Cognitive Systems 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

58:BC:8F

Organization

Cognitive Systems Corp.

Address

560 Westmount Road North Waterloo Ontario CA N2L 0A9

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.