What this means
The IEEE assigned the MA-L block ECD950 to IRT SA. 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:D9:50, it is IRT SA hardware.
Frequently Asked Questions
Who owns MAC prefix ECD950?
ECD950 is registered to IRT SA 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. IRT SA's block covers 16,777,216 addresses.
What devices use ECD950?
Any network device with a MAC address starting EC:D9:50 was manufactured by or for IRT SA.