What this means
The IEEE assigned the MA-L block 9009D0 to Synology Incorporated. 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 90:09:D0, it is Synology Incorporated hardware.
Frequently Asked Questions
Who owns MAC prefix 9009D0?
9009D0 is registered to Synology Incorporated 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. Synology Incorporated's block covers 16,777,216 addresses.
What devices use 9009D0?
Any network device with a MAC address starting 90:09:D0 was manufactured by or for Synology Incorporated.