What this means
The IEEE assigned the MA-L block C4CD45 to Beijing Boomsense Technology 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 C4:CD:45, it is Beijing Boomsense Technology CO.,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix C4CD45?
C4CD45 is registered to Beijing Boomsense Technology 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 Boomsense Technology CO.,LTD.'s block covers 16,777,216 addresses.
What devices use C4CD45?
Any network device with a MAC address starting C4:CD:45 was manufactured by or for Beijing Boomsense Technology CO.,LTD..