Who owns MAC prefix 705A6F6?

705A6F6 is registered to Earfun Technology (HK) Limited in the IEEE MA-M registry.

What devices use 705A6F6?

Any network device with a MAC address starting 70:5A:6F:6 was manufactured by or for Earfun Technology (HK) Limited.

MA-M · OUI prefix

Earfun Technology (HK) Limited

Any MAC address starting 70:5A:6F:6 is registered to Earfun Technology (HK) Limited in CN.

OUI prefix	705A6F6
Vendor	Earfun Technology (HK) Limited
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	70:5A:6F:6:00:00:00

What this means

The IEEE assigned the MA-M block 705A6F6 to Earfun Technology (HK) Limited. 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 70:5A:6F:6, it is Earfun Technology (HK) Limited hardware.

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