Renesas Design US Inc.

Any device whose MAC address begins with 90:FB:93 has a network interface built by Renesas Design US 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

90:FB:93

Organization

Renesas Design US Inc.

Address

6024 Silver Creek valley Road San Jose, CA 95138 United States San Jose US 95138

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.