What this means
The IEEE assigned the MA-L block 98FD74 to ACT.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 98:FD:74, it is ACT.CO.LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 98FD74?
98FD74 is registered to ACT.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. ACT.CO.LTD's block covers 16,777,216 addresses.
What devices use 98FD74?
Any network device with a MAC address starting 98:FD:74 was manufactured by or for ACT.CO.LTD.