What this means
The IEEE assigned the MA-L block AC11D3 to Suzhou HOTEK Video 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:11:D3, it is Suzhou HOTEK Video Technology Co. Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix AC11D3?
AC11D3 is registered to Suzhou HOTEK Video 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. Suzhou HOTEK Video Technology Co. Ltd's block covers 16,777,216 addresses.
What devices use AC11D3?
Any network device with a MAC address starting AC:11:D3 was manufactured by or for Suzhou HOTEK Video Technology Co. Ltd.