What this means
The IEEE assigned the MA-L block ECE512 to tado 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 EC:E5:12, it is tado GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix ECE512?
ECE512 is registered to tado 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. tado GmbH's block covers 16,777,216 addresses.
What devices use ECE512?
Any network device with a MAC address starting EC:E5:12 was manufactured by or for tado GmbH.