What this means
The IEEE assigned the MA-L block 54DED0 to Sevio Srl. 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 54:DE:D0, it is Sevio Srl hardware.
Frequently Asked Questions
Who owns MAC prefix 54DED0?
54DED0 is registered to Sevio Srl 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. Sevio Srl's block covers 16,777,216 addresses.
What devices use 54DED0?
Any network device with a MAC address starting 54:DE:D0 was manufactured by or for Sevio Srl.