Who owns MAC prefix ACE403?

ACE403 is registered to Shenzhen Visteng Technology CO.,LTD in the IEEE MA-L registry.

What devices use ACE403?

Any network device with a MAC address starting AC:E4:03 was manufactured by or for Shenzhen Visteng Technology CO.,LTD.

MA-L · OUI prefix

Shenzhen Visteng Technology CO.,LTD

Any MAC address starting AC:E4:03 is registered to Shenzhen Visteng Technology CO.,LTD in CN.

OUI prefix	ACE403
Vendor	Shenzhen Visteng Technology CO.,LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	AC:E4:03:00:00:00

What this means

The IEEE assigned the MA-L block ACE403 to Shenzhen Visteng Technology 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 AC:E4:03, it is Shenzhen Visteng Technology CO.,LTD hardware.

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