Cloud Diagnostics Canada ULC

Any device whose MAC address begins with C4:80:8A has a network interface built by Cloud Diagnostics Canada ULC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

C4:80:8A

Organization

Cloud Diagnostics Canada ULC

Address

72 Victoria St. S., Unit 100 Kitchener Ontario CA N2G 4Y9

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.