Who owns MAC prefix 1C59743?

1C59743 is registered to Jiangsu Welm Technology Co.,Ltd in the IEEE MA-M registry.

What devices use 1C59743?

Any network device with a MAC address starting 1C:59:74:3 was manufactured by or for Jiangsu Welm Technology Co.,Ltd.

MA-M · OUI prefix

Jiangsu Welm Technology Co.,Ltd

Any MAC address starting 1C:59:74:3 is registered to Jiangsu Welm Technology Co.,Ltd in CN.

OUI prefix	1C59743
Vendor	Jiangsu Welm Technology Co.,Ltd
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	1C:59:74:3:00:00:00

What this means

The IEEE assigned the MA-M block 1C59743 to Jiangsu Welm 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 1C:59:74:3, it is Jiangsu Welm Technology Co.,Ltd hardware.

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