Who owns MAC prefix 18A59C9?

18A59C9 is registered to estun automation co.,ltd in the IEEE MA-M registry.

What devices use 18A59C9?

Any network device with a MAC address starting 18:A5:9C:9 was manufactured by or for estun automation co.,ltd.

MA-M · OUI prefix

estun automation co.,ltd

Any MAC address starting 18:A5:9C:9 is registered to estun automation co.,ltd in CN.

OUI prefix	18A59C9
Vendor	estun automation co.,ltd
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	18:A5:9C:9:00:00:00

What this means

The IEEE assigned the MA-M block 18A59C9 to estun automation 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 18:A5:9C:9, it is estun automation co.,ltd hardware.

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