RuiXingHengFang Network (Shenzhen) Co.,Ltd

Any device whose MAC address begins with 8C:F9:57 has a network interface built by RuiXingHengFang Network (Shenzhen) 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

8C:F9:57

Organization

RuiXingHengFang Network (Shenzhen) Co.,Ltd

Address

Room 507, 2nd tower of KangTai biological building NO.6 KeFa Rd. NanShan District Shenzhen Guangdong CN 518057

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.