What this means
The IEEE assigned the MA-L block E4F58E to Schneider Electric USA. 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 E4:F5:8E, it is Schneider Electric USA hardware.
Frequently Asked Questions
Who owns MAC prefix E4F58E?
E4F58E is registered to Schneider Electric USA 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. Schneider Electric USA's block covers 16,777,216 addresses.
What devices use E4F58E?
Any network device with a MAC address starting E4:F5:8E was manufactured by or for Schneider Electric USA.