What this means
The IEEE assigned the MA-L block 5454CF to PROBEDIGITAL 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 54:54:CF, it is PROBEDIGITAL CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 5454CF?
5454CF is registered to PROBEDIGITAL 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. PROBEDIGITAL CO.,LTD's block covers 16,777,216 addresses.
What devices use 5454CF?
Any network device with a MAC address starting 54:54:CF was manufactured by or for PROBEDIGITAL CO.,LTD.