Who owns MAC prefix C4518D?

C4518D is registered to Shenzhen YOUHUA Technology Co., Ltd in the IEEE MA-L registry.

What devices use C4518D?

Any network device with a MAC address starting C4:51:8D was manufactured by or for Shenzhen YOUHUA Technology Co., Ltd.

MA-L · OUI prefix

Shenzhen YOUHUA Technology Co., Ltd

Any MAC address starting C4:51:8D is registered to Shenzhen YOUHUA Technology Co., Ltd in CN.

OUI prefix	C4518D
Vendor	Shenzhen YOUHUA Technology Co., Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	C4:51:8D:00:00:00

What this means

The IEEE assigned the MA-L block C4518D 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 C4:51:8D, 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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