What this means
The IEEE assigned the MA-L block 3044A1 to Shanghai Nanchao Information Technology. 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 30:44:A1, it is Shanghai Nanchao Information Technology hardware.
Frequently Asked Questions
Who owns MAC prefix 3044A1?
3044A1 is registered to Shanghai Nanchao Information Technology 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. Shanghai Nanchao Information Technology's block covers 16,777,216 addresses.
What devices use 3044A1?
Any network device with a MAC address starting 30:44:A1 was manufactured by or for Shanghai Nanchao Information Technology.