What this means
The IEEE assigned the MA-L block D806D1 to Honeywell Fire System (Shanghai) 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 D8:06:D1, it is Honeywell Fire System (Shanghai) Co,. Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix D806D1?
D806D1 is registered to Honeywell Fire System (Shanghai) 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. Honeywell Fire System (Shanghai) Co,. Ltd.'s block covers 16,777,216 addresses.
What devices use D806D1?
Any network device with a MAC address starting D8:06:D1 was manufactured by or for Honeywell Fire System (Shanghai) Co,. Ltd..