Austar Technology (hang zhou) Co.,Ltd

Any device whose MAC address begins with 00:19:A4 has a network interface built by Austar Technology (hang zhou) 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

00:19:A4

Organization

Austar Technology (hang zhou) Co.,Ltd

Address

7-402,West Lake Software Part Hang Zhou Zhe Jiang CN 310012

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.