What this means
The IEEE assigned the MA-L block 00A031 to HAZELTINE CORPORATION, MS 1-17. 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:A0:31, it is HAZELTINE CORPORATION, MS 1-17 hardware.
Frequently Asked Questions
Who owns MAC prefix 00A031?
00A031 is registered to HAZELTINE CORPORATION, MS 1-17 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. HAZELTINE CORPORATION, MS 1-17's block covers 16,777,216 addresses.
What devices use 00A031?
Any network device with a MAC address starting 00:A0:31 was manufactured by or for HAZELTINE CORPORATION, MS 1-17.