What this means
The IEEE assigned the MA-L block DC0575 to SIEMENS ENERGY 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 DC:05:75, it is SIEMENS ENERGY AUTOMATION hardware.
Frequently Asked Questions
Who owns MAC prefix DC0575?
DC0575 is registered to SIEMENS ENERGY AUTOMATION 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. SIEMENS ENERGY AUTOMATION's block covers 16,777,216 addresses.
What devices use DC0575?
Any network device with a MAC address starting DC:05:75 was manufactured by or for SIEMENS ENERGY AUTOMATION.