What devices use F0221D3?

Any network device with a MAC address starting F0:22:1D:3 was manufactured by or for ShenZhen Shizao Electronic Technology.

MA-M · OUI prefix

ShenZhen Shizao Electronic Technology

Q: Who owns MAC prefix F0221D3?

F0221D3 is registered to ShenZhen Shizao Electronic Technology in the IEEE MA-M registry.

Any MAC address starting F0:22:1D:3 is registered to ShenZhen Shizao Electronic Technology in CN.

OUI prefix	F0221D3
Vendor	ShenZhen Shizao Electronic Technology
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	F0:22:1D:3:00:00:00

What this means

The IEEE assigned the MA-M block F0221D3 to ShenZhen Shizao Electronic Technology. 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 F0:22:1D:3, it is ShenZhen Shizao Electronic Technology hardware.

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