What this means
The IEEE assigned the MA-M block C4954D5 to Marble Automation. 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 C4:95:4D:5, it is Marble Automation hardware.
Frequently Asked Questions
Who owns MAC prefix C4954D5?
C4954D5 is registered to Marble Automation 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. Marble Automation's block covers 1,048,576 addresses.
What devices use C4954D5?
Any network device with a MAC address starting C4:95:4D:5 was manufactured by or for Marble Automation.