Zhejiang Xinzailing Technology co., ltd

Any device whose MAC address begins with B4:4F:96 has a network interface built by Zhejiang Xinzailing Technology 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

B4:4F:96

Organization

Zhejiang Xinzailing Technology co., ltd

Address

No.1805, Dongliu Road, Binjiang District Hangzhou Zhejiang CN 310051

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.