What this means
The IEEE assigned the MA-L block 0019C9 to S&C ELECTRIC COMPANY. 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:C9, it is S&C ELECTRIC COMPANY hardware.
Frequently Asked Questions
Who owns MAC prefix 0019C9?
0019C9 is registered to S&C ELECTRIC COMPANY 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. S&C ELECTRIC COMPANY's block covers 16,777,216 addresses.
What devices use 0019C9?
Any network device with a MAC address starting 00:19:C9 was manufactured by or for S&C ELECTRIC COMPANY.