China Mobile (Hangzhou) Information Technology Co.,Ltd.

Any device whose MAC address begins with A8:41:22 has a network interface built by China Mobile (Hangzhou) Information 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

A8:41:22

Organization

China Mobile (Hangzhou) Information Technology Co.,Ltd.

Address

No. 1600 Yuhangtang Road, Wuchang Street, Yuhang District Hangzhou Zhejiang CN 310000

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.