What this means
The IEEE assigned the MA-L block 90CD1F to Quectel Wireless Solutions 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 90:CD:1F, it is Quectel Wireless Solutions Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 90CD1F?
90CD1F is registered to Quectel Wireless Solutions 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. Quectel Wireless Solutions Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 90CD1F?
Any network device with a MAC address starting 90:CD:1F was manufactured by or for Quectel Wireless Solutions Co.,Ltd..