What devices use 189EAD?

Any network device with a MAC address starting 18:9E:AD was manufactured by or for Shenzhen Chengqian Information Technology Co., Ltd.

MA-L · OUI prefix

Shenzhen Chengqian Information Technology Co., Ltd

Q: Who owns MAC prefix 189EAD?

189EAD is registered to Shenzhen Chengqian Information Technology Co., Ltd in the IEEE MA-L registry.

Any MAC address starting 18:9E:AD is registered to Shenzhen Chengqian Information Technology Co., Ltd in CN.

OUI prefix	189EAD
Vendor	Shenzhen Chengqian Information Technology Co., Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	18:9E:AD:00:00:00

What this means

The IEEE assigned the MA-L block 189EAD to Shenzhen Chengqian Information 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 18:9E:AD, it is Shenzhen Chengqian Information Technology Co., Ltd hardware.

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