What devices use E4C1F1?

Any network device with a MAC address starting E4:C1:F1 was manufactured by or for SHENZHEN SPOTMAU INFORMATION TECHNOLIGY CO., Ltd.

MA-L · OUI prefix

SHENZHEN SPOTMAU INFORMATION TECHNOLIGY CO., Ltd

Q: Who owns MAC prefix E4C1F1?

E4C1F1 is registered to SHENZHEN SPOTMAU INFORMATION TECHNOLIGY CO., Ltd in the IEEE MA-L registry.

Any MAC address starting E4:C1:F1 is registered to SHENZHEN SPOTMAU INFORMATION TECHNOLIGY CO., Ltd in CN.

OUI prefix	E4C1F1
Vendor	SHENZHEN SPOTMAU INFORMATION TECHNOLIGY CO., Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	E4:C1:F1:00:00:00

What this means

The IEEE assigned the MA-L block E4C1F1 to SHENZHEN SPOTMAU INFORMATION TECHNOLIGY 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 E4:C1:F1, it is SHENZHEN SPOTMAU INFORMATION TECHNOLIGY CO., Ltd hardware.

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