What this means
The IEEE assigned the MA-S block 8C1F64A1F to Hitachi Energy India Limited. 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 8C:1F:64:A1:F, it is Hitachi Energy India Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F64A1F?
8C1F64A1F is registered to Hitachi Energy India Limited in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. Hitachi Energy India Limited's block covers 4,096 addresses.
What devices use 8C1F64A1F?
Any network device with a MAC address starting 8C:1F:64:A1:F was manufactured by or for Hitachi Energy India Limited.