ALL Winner (Hong Kong) Limited

Any device whose MAC address begins with 50:3A:0F has a network interface built by ALL Winner (Hong Kong) 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

50:3A:0F

Organization

ALL Winner (Hong Kong) Limited

Address

Unit No.1301,13F,Sunbeam Plaza,1155 Canton Road,Mongkok,Kowloon,Hong Kong Hong Kong CN 999077

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.