What this means
The IEEE assigned the MA-L block 00057E to Eckelmann AG. 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 00:05:7E, it is Eckelmann AG hardware.
Frequently Asked Questions
Who owns MAC prefix 00057E?
00057E is registered to Eckelmann AG 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. Eckelmann AG's block covers 16,777,216 addresses.
What devices use 00057E?
Any network device with a MAC address starting 00:05:7E was manufactured by or for Eckelmann AG.