What this means
The IEEE assigned the MA-L block 587FC8 to S2M. 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 58:7F:C8, it is S2M hardware.
Frequently Asked Questions
Who owns MAC prefix 587FC8?
587FC8 is registered to S2M 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. S2M's block covers 16,777,216 addresses.
What devices use 587FC8?
Any network device with a MAC address starting 58:7F:C8 was manufactured by or for S2M.