Powerleader Science and Technology Co. Ltd.

Any device whose MAC address begins with 74:A4:B5 has a network interface built by Powerleader Science and 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

74:A4:B5

Organization

Powerleader Science and Technology Co. Ltd.

Address

Powerleader Technology Park, #3 Guanyi Rd. Shenzhen Guangdong CN 518110

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.