Lightning Telecommunications Technology Co. Ltd

Any device whose MAC address begins with F4:B1:64 has a network interface built by Lightning Telecommunications Technology 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

F4:B1:64

Organization

Lightning Telecommunications Technology Co. Ltd

Address

Room 1302, Tian¡¯an Hi-Tech Plaza Tower A, Futian District, ShenZhen GuangDong CN 518040

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.