What this means
The IEEE assigned the MA-L block AC8112 to Gemtek Technology Co., 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 AC:81:12, it is Gemtek Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix AC8112?
AC8112 is registered to Gemtek Technology Co., 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. Gemtek Technology Co., Ltd.'s block covers 16,777,216 addresses.
What devices use AC8112?
Any network device with a MAC address starting AC:81:12 was manufactured by or for Gemtek Technology Co., Ltd..