What this means
The IEEE assigned the MA-L block C05336 to Beijing National Railway Research & Design Institute of Signal & Communication Group 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 C0:53:36, it is Beijing National Railway Research & Design Institute of Signal & Communication Group Co..Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix C05336?
C05336 is registered to Beijing National Railway Research & Design Institute of Signal & Communication Group Co..Ltd. 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. Beijing National Railway Research & Design Institute of Signal & Communication Group Co..Ltd.'s block covers 16,777,216 addresses.
What devices use C05336?
Any network device with a MAC address starting C0:53:36 was manufactured by or for Beijing National Railway Research & Design Institute of Signal & Communication Group Co..Ltd..