What this means
The IEEE assigned the MA-L block C8E776 to PTCOM Technology. 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 C8:E7:76, it is PTCOM Technology hardware.
Frequently Asked Questions
Who owns MAC prefix C8E776?
C8E776 is registered to PTCOM Technology 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. PTCOM Technology's block covers 16,777,216 addresses.
What devices use C8E776?
Any network device with a MAC address starting C8:E7:76 was manufactured by or for PTCOM Technology.