What this means
The IEEE assigned the MA-L block D493A0 to Fidelix Oy. 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 D4:93:A0, it is Fidelix Oy hardware.
Frequently Asked Questions
Who owns MAC prefix D493A0?
D493A0 is registered to Fidelix Oy 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. Fidelix Oy's block covers 16,777,216 addresses.
What devices use D493A0?
Any network device with a MAC address starting D4:93:A0 was manufactured by or for Fidelix Oy.