What this means
The IEEE assigned the MA-S block 8C1F64C74 to Nippon Techno Lab 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 8C:1F:64:C7:4, it is Nippon Techno Lab Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F64C74?
8C1F64C74 is registered to Nippon Techno Lab Inc 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. Nippon Techno Lab Inc's block covers 4,096 addresses.
What devices use 8C1F64C74?
Any network device with a MAC address starting 8C:1F:64:C7:4 was manufactured by or for Nippon Techno Lab Inc.