Shanghai Kenmyond Industrial Network Equipment Co., Ltd

Any device whose MAC address begins with B4:C5:56 has a network interface built by Shanghai Kenmyond Industrial Network Equipment 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:C5:56

Organization

Shanghai Kenmyond Industrial Network Equipment Co., Ltd

Address

5th floor,Building3,NO69,yuanfeng Road,Baoshan Shanghai Shanghai CN 021-56561181

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.