What this means
The IEEE assigned the MA-L block 64D241 to Keith & Koep 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 64:D2:41, it is Keith & Koep GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 64D241?
64D241 is registered to Keith & Koep 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. Keith & Koep GmbH's block covers 16,777,216 addresses.
What devices use 64D241?
Any network device with a MAC address starting 64:D2:41 was manufactured by or for Keith & Koep GmbH.