Wi-SUN Alliance

Any device whose MAC address begins with 0C:5A:9E has a network interface built by Wi-SUN Alliance. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

0C:5A:9E

Organization

Wi-SUN Alliance

Address

275 Tennant Avenue, Suite 202 Morgan Hill CA US 95037

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.