What this means
The IEEE assigned the MA-L block 0003A1 to HIPER Information & Communication, Inc.. 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 00:03:A1, it is HIPER Information & Communication, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 0003A1?
0003A1 is registered to HIPER Information & Communication, Inc. 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. HIPER Information & Communication, Inc.'s block covers 16,777,216 addresses.
What devices use 0003A1?
Any network device with a MAC address starting 00:03:A1 was manufactured by or for HIPER Information & Communication, Inc..