Shaanxi GuoLian Digital TV Technology Co.,Ltd.

Any device whose MAC address begins with AC:D6:57 has a network interface built by Shaanxi GuoLian Digital TV 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

AC:D6:57

Organization

Shaanxi GuoLian Digital TV Technology Co.,Ltd.

Address

Chief Building, Fifth Yannan Road, Qujiang New District xi'an shaanxi CN 71000

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.