What this means
The IEEE assigned the MA-M block AC1DDF8 to Sichuan Odot Automation System 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:1D:DF:8, it is Sichuan Odot Automation System Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix AC1DDF8?
AC1DDF8 is registered to Sichuan Odot Automation System Co.,Ltd. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Sichuan Odot Automation System Co.,Ltd.'s block covers 1,048,576 addresses.
What devices use AC1DDF8?
Any network device with a MAC address starting AC:1D:DF:8 was manufactured by or for Sichuan Odot Automation System Co.,Ltd..