What this means
The IEEE assigned the MA-L block B06563 to Shanghai Railway Communication Factory. 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 B0:65:63, it is Shanghai Railway Communication Factory hardware.
Frequently Asked Questions
Who owns MAC prefix B06563?
B06563 is registered to Shanghai Railway Communication Factory 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. Shanghai Railway Communication Factory's block covers 16,777,216 addresses.
What devices use B06563?
Any network device with a MAC address starting B0:65:63 was manufactured by or for Shanghai Railway Communication Factory.