What this means
The IEEE assigned the MA-L block ECD925 to RAMI. 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 EC:D9:25, it is RAMI hardware.
Frequently Asked Questions
Who owns MAC prefix ECD925?
ECD925 is registered to RAMI 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. RAMI's block covers 16,777,216 addresses.
What devices use ECD925?
Any network device with a MAC address starting EC:D9:25 was manufactured by or for RAMI.