Guangdong Leawin Group Co., Ltd

Any device whose MAC address begins with 4C:64:D9 has a network interface built by Guangdong Leawin Group 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

4C:64:D9

Organization

Guangdong Leawin Group Co., Ltd

Address

10/F, Domain Bldg,No.8 Keji Road(E),HiTech Development District, Shantou Guangdong CN 515041

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.