What this means
The IEEE assigned the MA-L block 5C27D4 to Shenzhen Qihu Intelligent Technology Company 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 5C:27:D4, it is Shenzhen Qihu Intelligent Technology Company Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 5C27D4?
5C27D4 is registered to Shenzhen Qihu Intelligent Technology Company Limited in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Shenzhen Qihu Intelligent Technology Company Limited's block covers 16,777,216 addresses.
What devices use 5C27D4?
Any network device with a MAC address starting 5C:27:D4 was manufactured by or for Shenzhen Qihu Intelligent Technology Company Limited.