What this means
The IEEE assigned the MA-M block CC3953C to BROADBAND NET INC. 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 CC:39:53:C, it is BROADBAND NET INC hardware.
Frequently Asked Questions
Who owns MAC prefix CC3953C?
CC3953C is registered to BROADBAND NET INC 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. BROADBAND NET INC's block covers 1,048,576 addresses.
What devices use CC3953C?
Any network device with a MAC address starting CC:39:53:C was manufactured by or for BROADBAND NET INC.