What devices use A4A179?

Any network device with a MAC address starting A4:A1:79 was manufactured by or for Nanjing dianyan electric power automation co. LTD.

MA-L · OUI prefix

Nanjing dianyan electric power automation co. LTD

Q: Who owns MAC prefix A4A179?

A4A179 is registered to Nanjing dianyan electric power automation co. LTD in the IEEE MA-L registry.

Any MAC address starting A4:A1:79 is registered to Nanjing dianyan electric power automation co. LTD in CN.

OUI prefix	A4A179
Vendor	Nanjing dianyan electric power automation co. LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	A4:A1:79:00:00:00

What this means

The IEEE assigned the MA-L block A4A179 to Nanjing dianyan electric power 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 A4:A1:79, it is Nanjing dianyan electric power automation co. LTD hardware.

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