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