Chaoyue Technology Co., Ltd.

Any device whose MAC address begins with A8:99:AD has a network interface built by Chaoyue 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

A8:99:AD

Organization

Chaoyue Technology Co., Ltd.

Address

No. 2877 Kehang Road, Suncun Town, High tech Zone, Jinan City, Shandong Province, China Jinan SHANDONG CN 250104

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.