What this means
The IEEE assigned the MA-L block 000DD5 to O'RITE TECHNOLOGY CO.,LTD. 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:D5, it is O'RITE TECHNOLOGY CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 000DD5?
000DD5 is registered to O'RITE TECHNOLOGY CO.,LTD 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. O'RITE TECHNOLOGY CO.,LTD's block covers 16,777,216 addresses.
What devices use 000DD5?
Any network device with a MAC address starting 00:0D:D5 was manufactured by or for O'RITE TECHNOLOGY CO.,LTD.