What devices use 1081B4?

Any network device with a MAC address starting 10:81:B4 was manufactured by or for Hunan Greatwall Galaxy Science and Technology Co.,Ltd..

MA-L · OUI prefix

Hunan Greatwall Galaxy Science and Technology Co.,Ltd.

Q: Who owns MAC prefix 1081B4?

1081B4 is registered to Hunan Greatwall Galaxy Science and Technology Co.,Ltd. in the IEEE MA-L registry.

Any MAC address starting 10:81:B4 is registered to Hunan Greatwall Galaxy Science and Technology Co.,Ltd. in CN.

OUI prefix	1081B4
Vendor	Hunan Greatwall Galaxy Science and Technology Co.,Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	10:81:B4:00:00:00

What this means

The IEEE assigned the MA-L block 1081B4 to Hunan Greatwall Galaxy Science and 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 10:81:B4, it is Hunan Greatwall Galaxy Science and Technology Co.,Ltd. hardware.

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