ShenZhen Topstar Technology Company

Any device whose MAC address begins with F4:67:2D has a network interface built by ShenZhen Topstar Technology Company. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

F4:67:2D

Organization

ShenZhen Topstar Technology Company

Address

5/F Buliding 204,Tai Ran ShenZhen Science&Industry Park ShenZhen GuangZhou CN 518042

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.