What this means
The IEEE assigned the MA-L block 50FDD5 to SJI Industry Company. 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 50:FD:D5, it is SJI Industry Company hardware.
Frequently Asked Questions
Who owns MAC prefix 50FDD5?
50FDD5 is registered to SJI Industry Company 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. SJI Industry Company's block covers 16,777,216 addresses.
What devices use 50FDD5?
Any network device with a MAC address starting 50:FD:D5 was manufactured by or for SJI Industry Company.