Shenzhen Vtsonic Co.,ltd

Any device whose MAC address begins with 04:02:CA has a network interface built by Shenzhen Vtsonic Co.,ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

04:02:CA

Organization

Shenzhen Vtsonic Co.,ltd

Address

No.35,the 2nd Industrial Zone,Tangxiayong Village,Songgang Town,Bao'an District,Shenzhen,China. Shenzhen Guangdong CN 518102

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.