What this means
The IEEE assigned the MA-L block 7066E1 to dnt Innovation 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 70:66:E1, it is dnt Innovation GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 7066E1?
7066E1 is registered to dnt Innovation 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. dnt Innovation GmbH's block covers 16,777,216 addresses.
What devices use 7066E1?
Any network device with a MAC address starting 70:66:E1 was manufactured by or for dnt Innovation GmbH.