sywinkey HongKong Co,. Limited?

Any device whose MAC address begins with 5C:64:F3 has a network interface built by sywinkey HongKong Co,. Limited?. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

5C:64:F3

Organization

sywinkey HongKong Co,. Limited?

Address

RM2,3/F Ruby CDMN Building No. 480 Nathan Road KL HongKong HongKong CN 999077

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.