What this means
The IEEE assigned the MA-L block F40A4A to INDUSNET Communication Technology Co.,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 F4:0A:4A, it is INDUSNET Communication Technology Co.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix F40A4A?
F40A4A is registered to INDUSNET Communication Technology Co.,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. INDUSNET Communication Technology Co.,LTD's block covers 16,777,216 addresses.
What devices use F40A4A?
Any network device with a MAC address starting F4:0A:4A was manufactured by or for INDUSNET Communication Technology Co.,LTD.