What this means
The IEEE assigned the MA-L block 40BB56 to TeraNXT Global India Pvt 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 40:BB:56, it is TeraNXT Global India Pvt Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 40BB56?
40BB56 is registered to TeraNXT Global India Pvt 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. TeraNXT Global India Pvt Ltd.'s block covers 16,777,216 addresses.
What devices use 40BB56?
Any network device with a MAC address starting 40:BB:56 was manufactured by or for TeraNXT Global India Pvt Ltd..