What this means
The IEEE assigned the MA-L block 0018FD to Optimal Technologies International 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 00:18:FD, it is Optimal Technologies International Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 0018FD?
0018FD is registered to Optimal Technologies International 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. Optimal Technologies International Inc.'s block covers 16,777,216 addresses.
What devices use 0018FD?
Any network device with a MAC address starting 00:18:FD was manufactured by or for Optimal Technologies International Inc..