What devices use 807786C?

Any network device with a MAC address starting 80:77:86:C was manufactured by or for Cornerstone Technology (Shenzhen) Limited.

MA-M · OUI prefix

Cornerstone Technology (Shenzhen) Limited

Q: Who owns MAC prefix 807786C?

807786C is registered to Cornerstone Technology (Shenzhen) Limited in the IEEE MA-M registry.

Any MAC address starting 80:77:86:C is registered to Cornerstone Technology (Shenzhen) Limited in CN.

OUI prefix	807786C
Vendor	Cornerstone Technology (Shenzhen) Limited
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	80:77:86:C:00:00:00

What this means

The IEEE assigned the MA-M block 807786C to Cornerstone Technology (Shenzhen) Limited. 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 80:77:86:C, it is Cornerstone Technology (Shenzhen) Limited hardware.

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