What this means
The IEEE assigned the MA-L block 648B9B to ALWAYS ON TECH PTE.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 64:8B:9B, it is ALWAYS ON TECH PTE.LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 648B9B?
648B9B is registered to ALWAYS ON TECH PTE.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. ALWAYS ON TECH PTE.LTD.'s block covers 16,777,216 addresses.
What devices use 648B9B?
Any network device with a MAC address starting 64:8B:9B was manufactured by or for ALWAYS ON TECH PTE.LTD..