What this means
The IEEE assigned the MA-L block 001C4D to Aplix IP Holdings Corporation. 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 00:1C:4D, it is Aplix IP Holdings Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 001C4D?
001C4D is registered to Aplix IP Holdings Corporation 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. Aplix IP Holdings Corporation's block covers 16,777,216 addresses.
What devices use 001C4D?
Any network device with a MAC address starting 00:1C:4D was manufactured by or for Aplix IP Holdings Corporation.