Who owns MAC prefix A4FB8D?

A4FB8D is registered to Hangzhou Dunchong Technology Co.Ltd in the IEEE MA-L registry.

What devices use A4FB8D?

Any network device with a MAC address starting A4:FB:8D was manufactured by or for Hangzhou Dunchong Technology Co.Ltd.

MA-L · OUI prefix

Hangzhou Dunchong Technology Co.Ltd

Any MAC address starting A4:FB:8D is registered to Hangzhou Dunchong Technology Co.Ltd in US.

OUI prefix	A4FB8D
Vendor	Hangzhou Dunchong Technology Co.Ltd
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	A4:FB:8D:00:00:00

What this means

The IEEE assigned the MA-L block A4FB8D to Hangzhou Dunchong 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 A4:FB:8D, it is Hangzhou Dunchong Technology Co.Ltd hardware.

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