What this means
The IEEE assigned the MA-S block 8C1F6493A to Rejås of Sweden AB. 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:64:93:A, it is Rejås of Sweden AB hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F6493A?
8C1F6493A is registered to Rejås of Sweden AB 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. Rejås of Sweden AB's block covers 4,096 addresses.
What devices use 8C1F6493A?
Any network device with a MAC address starting 8C:1F:64:93:A was manufactured by or for Rejås of Sweden AB.