What devices use A83FA13?

Any network device with a MAC address starting A8:3F:A1:3 was manufactured by or for Guangzhou Tupu Internet Technology Co., Ltd..

MA-M · OUI prefix

Guangzhou Tupu Internet Technology Co., Ltd.

Q: Who owns MAC prefix A83FA13?

A83FA13 is registered to Guangzhou Tupu Internet Technology Co., Ltd. in the IEEE MA-M registry.

Any MAC address starting A8:3F:A1:3 is registered to Guangzhou Tupu Internet Technology Co., Ltd. in CN.

OUI prefix	A83FA13
Vendor	Guangzhou Tupu Internet Technology Co., Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	A8:3F:A1:3:00:00:00

What this means

The IEEE assigned the MA-M block A83FA13 to Guangzhou Tupu Internet 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 A8:3F:A1:3, it is Guangzhou Tupu Internet Technology Co., Ltd. hardware.

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