Renesas Electronics Corporation

Any device whose MAC address begins with 74:90:50 has a network interface built by Renesas Electronics Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

74:90:50

Organization

Renesas Electronics Corporation

Address

1753, Shimonumabe, Nakahara-Ku Kawasaki Kanagawa JP 211-8668

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.