Who owns MAC prefix E8FF1E9?

E8FF1E9 is registered to Shenzhen Justinfo Technology Co.,Ltd in the IEEE MA-M registry.

What devices use E8FF1E9?

Any network device with a MAC address starting E8:FF:1E:9 was manufactured by or for Shenzhen Justinfo Technology Co.,Ltd.

MA-M · OUI prefix

Shenzhen Justinfo Technology Co.,Ltd

Any MAC address starting E8:FF:1E:9 is registered to Shenzhen Justinfo Technology Co.,Ltd in CN.

OUI prefix	E8FF1E9
Vendor	Shenzhen Justinfo Technology Co.,Ltd
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	E8:FF:1E:9:00:00:00

What this means

The IEEE assigned the MA-M block E8FF1E9 to Shenzhen Justinfo 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 E8:FF:1E:9, it is Shenzhen Justinfo Technology Co.,Ltd hardware.

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