Shanghai Xiaodu Technology Limited

Any device whose MAC address begins with F4:21:AE has a network interface built by Shanghai Xiaodu Technology 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

F4:21:AE

Organization

Shanghai Xiaodu Technology Limited

Address

4th Floor Building No.1 , No.701 Naxian Road Pilot Free Trade Zone Shanghai China Shanghai CN 200000

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.