What this means
The IEEE assigned the MA-L block C4E506 to Piper Networks, Inc.. 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:E5:06, it is Piper Networks, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix C4E506?
C4E506 is registered to Piper Networks, Inc. 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. Piper Networks, Inc.'s block covers 16,777,216 addresses.
What devices use C4E506?
Any network device with a MAC address starting C4:E5:06 was manufactured by or for Piper Networks, Inc..