What this means
The IEEE assigned the MA-L block 000DA4 to DOSCH & AMAND SYSTEMS AG. 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 00:0D:A4, it is DOSCH & AMAND SYSTEMS AG hardware.
Frequently Asked Questions
Who owns MAC prefix 000DA4?
000DA4 is registered to DOSCH & AMAND SYSTEMS AG 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. DOSCH & AMAND SYSTEMS AG's block covers 16,777,216 addresses.
What devices use 000DA4?
Any network device with a MAC address starting 00:0D:A4 was manufactured by or for DOSCH & AMAND SYSTEMS AG.