What this means
The IEEE assigned the MA-L block 98DD5B to TAKUMI JAPAN 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 98:DD:5B, it is TAKUMI JAPAN LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 98DD5B?
98DD5B is registered to TAKUMI JAPAN 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. TAKUMI JAPAN LTD's block covers 16,777,216 addresses.
What devices use 98DD5B?
Any network device with a MAC address starting 98:DD:5B was manufactured by or for TAKUMI JAPAN LTD.