What this means
The IEEE assigned the MA-L block 00DD0A to UNGERMANN-BASS INC.. 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:DD:0A, it is UNGERMANN-BASS INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 00DD0A?
00DD0A is registered to UNGERMANN-BASS INC. 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. UNGERMANN-BASS INC.'s block covers 16,777,216 addresses.
What devices use 00DD0A?
Any network device with a MAC address starting 00:DD:0A was manufactured by or for UNGERMANN-BASS INC..