Fujitsu Client Computing Limited

Any device whose MAC address begins with E4:46:B0 has a network interface built by Fujitsu Client Computing Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E4:46:B0

Organization

Fujitsu Client Computing Limited

Address

1-1-2 Kashimada, Saiwai-ku Kawasaki Kanagawa JP 212-0058

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.