Who owns MAC prefix 78DDD9?

78DDD9 is registered to Guangzhou Shiyuan Electronics Co., Ltd. in the IEEE MA-L registry.

What devices use 78DDD9?

Any network device with a MAC address starting 78:DD:D9 was manufactured by or for Guangzhou Shiyuan Electronics Co., Ltd..

MA-L · OUI prefix

Guangzhou Shiyuan Electronics Co., Ltd.

Any MAC address starting 78:DD:D9 is registered to Guangzhou Shiyuan Electronics Co., Ltd. in CN.

OUI prefix	78DDD9
Vendor	Guangzhou Shiyuan Electronics Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	78:DD:D9:00:00:00

What this means

The IEEE assigned the MA-L block 78DDD9 to Guangzhou Shiyuan Electronics 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 78:DD:D9, it is Guangzhou Shiyuan Electronics Co., Ltd. hardware.

Other Guangzhou Shiyuan Electronics Co., Ltd. prefixes

Guangzhou Shiyuan Electronics Co., Ltd. holds 3 registered blocks in total.

702ED9 7472B0

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