What this means
The IEEE assigned the MA-L block 584925 to E3 Enterprise. 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 58:49:25, it is E3 Enterprise hardware.
Frequently Asked Questions
Who owns MAC prefix 584925?
584925 is registered to E3 Enterprise 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. E3 Enterprise's block covers 16,777,216 addresses.
What devices use 584925?
Any network device with a MAC address starting 58:49:25 was manufactured by or for E3 Enterprise.