Who owns MAC prefix 447BC4?

447BC4 is registered to DualShine Technology(SZ)Co.,Ltd in the IEEE MA-L registry.

What devices use 447BC4?

Any network device with a MAC address starting 44:7B:C4 was manufactured by or for DualShine Technology(SZ)Co.,Ltd.

MA-L · OUI prefix

DualShine Technology(SZ)Co.,Ltd

Any MAC address starting 44:7B:C4 is registered to DualShine Technology(SZ)Co.,Ltd in CN.

OUI prefix	447BC4
Vendor	DualShine Technology(SZ)Co.,Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	44:7B:C4:00:00:00

What this means

The IEEE assigned the MA-L block 447BC4 to DualShine Technology(SZ)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 44:7B:C4, it is DualShine Technology(SZ)Co.,Ltd hardware.

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