Silex Technology America

Any device whose MAC address begins with 00:40:17 has a network interface built by Silex Technology America. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:40:17

Organization

Silex Technology America

Address

157 West 7065 South Salt Lake City UT US 84047

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.