What this means
The IEEE assigned the MA-L block E03E7D to data-complex GmbH. 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 E0:3E:7D, it is data-complex GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix E03E7D?
E03E7D is registered to data-complex GmbH 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. data-complex GmbH's block covers 16,777,216 addresses.
What devices use E03E7D?
Any network device with a MAC address starting E0:3E:7D was manufactured by or for data-complex GmbH.