Who owns MAC prefix 0019A4?

0019A4 is registered to Austar Technology (hang zhou) Co.,Ltd in the IEEE MA-L registry.

What devices use 0019A4?

Any network device with a MAC address starting 00:19:A4 was manufactured by or for Austar Technology (hang zhou) Co.,Ltd.

MA-L · OUI prefix

Austar Technology (hang zhou) Co.,Ltd

Any MAC address starting 00:19:A4 is registered to Austar Technology (hang zhou) Co.,Ltd in CN.

OUI prefix	0019A4
Vendor	Austar Technology (hang zhou) Co.,Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	00:19:A4:00:00:00

What this means

The IEEE assigned the MA-L block 0019A4 to Austar Technology (hang zhou) Co.,Ltd. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:19:A4, it is Austar Technology (hang zhou) Co.,Ltd hardware.

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