What this means
The IEEE assigned the MA-L block 001C5E to ASTON France. 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:5E, it is ASTON France hardware.
Frequently Asked Questions
Who owns MAC prefix 001C5E?
001C5E is registered to ASTON France 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. ASTON France's block covers 16,777,216 addresses.
What devices use 001C5E?
Any network device with a MAC address starting 00:1C:5E was manufactured by or for ASTON France.