Who owns MAC prefix 7C03C9?

7C03C9 is registered to Shenzhen YOUHUA Technology Co., Ltd in the IEEE MA-L registry.

What devices use 7C03C9?

Any network device with a MAC address starting 7C:03:C9 was manufactured by or for Shenzhen YOUHUA Technology Co., Ltd.

MA-L · OUI prefix

Shenzhen YOUHUA Technology Co., Ltd

Any MAC address starting 7C:03:C9 is registered to Shenzhen YOUHUA Technology Co., Ltd in CN.

OUI prefix	7C03C9
Vendor	Shenzhen YOUHUA Technology Co., Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	7C:03:C9:00:00:00

What this means

The IEEE assigned the MA-L block 7C03C9 to Shenzhen YOUHUA Technology 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 7C:03:C9, it is Shenzhen YOUHUA Technology Co., Ltd hardware.

Other Shenzhen YOUHUA Technology Co., Ltd prefixes

Shenzhen YOUHUA Technology Co., Ltd holds 45 registered blocks in total.

00BD82 04E0B0 1047E7 14B837 1CD5E2 28D1B7 2C431A 2C557C 303F7B 34E71C 447BBB 4CB8B5 all 45 »

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