Cyber Switching Inc.

Any device whose MAC address begins with 00:09:E6 has a network interface built by Cyber Switching Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:09:E6

Organization

Cyber Switching Inc.

Address

1800 De La Cruz Blvd. Santa Clara CA US 95050

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.