What this means
The IEEE assigned the MA-L block 0015E7 to Quantec Tontechnik. 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 00:15:E7, it is Quantec Tontechnik hardware.
Frequently Asked Questions
Who owns MAC prefix 0015E7?
0015E7 is registered to Quantec Tontechnik 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. Quantec Tontechnik's block covers 16,777,216 addresses.
What devices use 0015E7?
Any network device with a MAC address starting 00:15:E7 was manufactured by or for Quantec Tontechnik.