What this means
The IEEE assigned the MA-L block D45944 to tonies 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 D4:59:44, it is tonies GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix D45944?
D45944 is registered to tonies 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. tonies GmbH's block covers 16,777,216 addresses.
What devices use D45944?
Any network device with a MAC address starting D4:59:44 was manufactured by or for tonies GmbH.