What this means
The IEEE assigned the MA-S block 8C1F644BB to IWS Global Pty 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 8C:1F:64:4B:B, it is IWS Global Pty Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F644BB?
8C1F644BB is registered to IWS Global Pty Ltd 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. IWS Global Pty Ltd's block covers 4,096 addresses.
What devices use 8C1F644BB?
Any network device with a MAC address starting 8C:1F:64:4B:B was manufactured by or for IWS Global Pty Ltd.