Zhejiang Weirong Electronic Co., Ltd

Any device whose MAC address begins with B4:2C:92 has a network interface built by Zhejiang Weirong Electronic 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

B4:2C:92

Organization

Zhejiang Weirong Electronic Co., Ltd

Address

North of South Tanghe Road, Lingxi Town, Wenzhou City Zhejiang Province CN 325800

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.