Style Flying Technology Co.

Any device whose MAC address begins with 00:21:58 has a network interface built by Style Flying Technology Co.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:21:58

Organization

Style Flying Technology Co.

Address

22/F,Cyber Tower B,No.2 Zhong Guan Cun South Street,Haidian District, Beijing CN 100086

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.