What this means
The IEEE assigned the MA-M block C4FFBC3 to SHENZHEN KALIF ELECTRONICS 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:FF:BC:3, it is SHENZHEN KALIF ELECTRONICS CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix C4FFBC3?
C4FFBC3 is registered to SHENZHEN KALIF ELECTRONICS CO.,LTD in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. SHENZHEN KALIF ELECTRONICS CO.,LTD's block covers 1,048,576 addresses.
What devices use C4FFBC3?
Any network device with a MAC address starting C4:FF:BC:3 was manufactured by or for SHENZHEN KALIF ELECTRONICS CO.,LTD.