What this means
The IEEE assigned the MA-L block 40BA61 to ARIMA Communications Corp.. 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:BA:61, it is ARIMA Communications Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 40BA61?
40BA61 is registered to ARIMA Communications Corp. 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. ARIMA Communications Corp.'s block covers 16,777,216 addresses.
What devices use 40BA61?
Any network device with a MAC address starting 40:BA:61 was manufactured by or for ARIMA Communications Corp..