Who owns MAC prefix 189BA51?

189BA51 is registered to ChengDu Vantron Technology, Ltd. in the IEEE MA-M registry.

What devices use 189BA51?

Any network device with a MAC address starting 18:9B:A5:1 was manufactured by or for ChengDu Vantron Technology, Ltd..

MA-M · OUI prefix

ChengDu Vantron Technology, Ltd.

Any MAC address starting 18:9B:A5:1 is registered to ChengDu Vantron Technology, Ltd. in CN.

OUI prefix	189BA51
Vendor	ChengDu Vantron Technology, Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	18:9B:A5:1:00:00:00

What this means

The IEEE assigned the MA-M block 189BA51 to ChengDu Vantron Technology, 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 18:9B:A5:1, it is ChengDu Vantron Technology, Ltd. hardware.

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