What this means
The IEEE assigned the MA-L block 1CB17F to NEC Platforms, Ltd.. 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 1C:B1:7F, it is NEC Platforms, Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 1CB17F?
1CB17F is registered to NEC Platforms, Ltd. 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. NEC Platforms, Ltd.'s block covers 16,777,216 addresses.
What devices use 1CB17F?
Any network device with a MAC address starting 1C:B1:7F was manufactured by or for NEC Platforms, Ltd..