What this means
The IEEE assigned the MA-L block 90F721 to IndiNatus (IndiNatus India Private 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 90:F7:21, it is IndiNatus (IndiNatus India Private Limited) hardware.
Frequently Asked Questions
Who owns MAC prefix 90F721?
90F721 is registered to IndiNatus (IndiNatus India Private Limited) 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. IndiNatus (IndiNatus India Private Limited)'s block covers 16,777,216 addresses.
What devices use 90F721?
Any network device with a MAC address starting 90:F7:21 was manufactured by or for IndiNatus (IndiNatus India Private Limited).