What this means
The IEEE assigned the MA-L block 1842D4 to Wuhan Hosan Telecommunication 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 18:42:D4, it is Wuhan Hosan Telecommunication Technology Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 1842D4?
1842D4 is registered to Wuhan Hosan Telecommunication 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. Wuhan Hosan Telecommunication Technology Co.,Ltd's block covers 16,777,216 addresses.
What devices use 1842D4?
Any network device with a MAC address starting 18:42:D4 was manufactured by or for Wuhan Hosan Telecommunication Technology Co.,Ltd.