What this means
The IEEE assigned the MA-M block 64FB810 to SHANGHAI SIMCOM 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 64:FB:81:0, it is SHANGHAI SIMCOM LIMITED hardware.
Frequently Asked Questions
Who owns MAC prefix 64FB810?
64FB810 is registered to SHANGHAI SIMCOM LIMITED in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. SHANGHAI SIMCOM LIMITED's block covers 1,048,576 addresses.
What devices use 64FB810?
Any network device with a MAC address starting 64:FB:81:0 was manufactured by or for SHANGHAI SIMCOM LIMITED.