What this means
The IEEE assigned the MA-L block 4C5FD2 to Alcatel-Lucent. 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 4C:5F:D2, it is Alcatel-Lucent hardware.
Frequently Asked Questions
Who owns MAC prefix 4C5FD2?
4C5FD2 is registered to Alcatel-Lucent 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. Alcatel-Lucent's block covers 16,777,216 addresses.
What devices use 4C5FD2?
Any network device with a MAC address starting 4C:5F:D2 was manufactured by or for Alcatel-Lucent.