Who owns MAC prefix 4427F3?

4427F3 is registered to 70mai Co.,Ltd. in the IEEE MA-L registry.

What devices use 4427F3?

Any network device with a MAC address starting 44:27:F3 was manufactured by or for 70mai Co.,Ltd..

MA-L · OUI prefix

70mai Co.,Ltd.

Any MAC address starting 44:27:F3 is registered to 70mai Co.,Ltd. in CN.

OUI prefix	4427F3
Vendor	70mai Co.,Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	44:27:F3:00:00:00

What this means

The IEEE assigned the MA-L block 4427F3 to 70mai 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 44:27:F3, it is 70mai Co.,Ltd. hardware.

Other 70mai Co.,Ltd. prefixes

70mai Co.,Ltd. holds 2 registered blocks in total.

B859C8

Look up another MAC