Who owns MAC prefix C4CD45?

C4CD45 is registered to Beijing Boomsense Technology CO.,LTD. in the IEEE MA-L registry.

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..

MA-L · OUI prefix

Beijing Boomsense Technology CO.,LTD.

Any MAC address starting C4:CD:45 is registered to Beijing Boomsense Technology CO.,LTD. in CN.

OUI prefix	C4CD45
Vendor	Beijing Boomsense Technology CO.,LTD.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	C4:CD:45:00:00:00

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.

Look up another MAC