What this means
The IEEE assigned the MA-L block C4E032 to IEEE 1904.1 Working Group. 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 C4:E0:32, it is IEEE 1904.1 Working Group hardware.
Frequently Asked Questions
Who owns MAC prefix C4E032?
C4E032 is registered to IEEE 1904.1 Working Group 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. IEEE 1904.1 Working Group's block covers 16,777,216 addresses.
What devices use C4E032?
Any network device with a MAC address starting C4:E0:32 was manufactured by or for IEEE 1904.1 Working Group.