What this means
The IEEE assigned the MA-L block A433D1 to Fibrlink Communications 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 A4:33:D1, it is Fibrlink Communications Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix A433D1?
A433D1 is registered to Fibrlink Communications 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. Fibrlink Communications Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use A433D1?
Any network device with a MAC address starting A4:33:D1 was manufactured by or for Fibrlink Communications Co.,Ltd..