Jibaiyou Technology Co.,Ltd.

Any device whose MAC address begins with 54:5F:A7 has a network interface built by Jibaiyou 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

54:5F:A7

Organization

Jibaiyou Technology Co.,Ltd.

Address

No. 11, Guiya Road, Qingxiu District Nanning Guangxi CN 530029

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.