What this means
The IEEE assigned the MA-L block 0019C1 to ALPSALPINE 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 00:19:C1, it is ALPSALPINE CO,.LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 0019C1?
0019C1 is registered to ALPSALPINE 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. ALPSALPINE CO,.LTD's block covers 16,777,216 addresses.
What devices use 0019C1?
Any network device with a MAC address starting 00:19:C1 was manufactured by or for ALPSALPINE CO,.LTD.