What this means
The IEEE assigned the MA-L block 00119C to EP&T Energy. 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 00:11:9C, it is EP&T Energy hardware.
Frequently Asked Questions
Who owns MAC prefix 00119C?
00119C is registered to EP&T Energy 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. EP&T Energy's block covers 16,777,216 addresses.
What devices use 00119C?
Any network device with a MAC address starting 00:11:9C was manufactured by or for EP&T Energy.