What this means
The IEEE assigned the MA-L block 001899 to ShenZhen jieshun Science&Technology Industry 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 00:18:99, it is ShenZhen jieshun Science&Technology Industry CO,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 001899?
001899 is registered to ShenZhen jieshun Science&Technology Industry 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. ShenZhen jieshun Science&Technology Industry CO,LTD.'s block covers 16,777,216 addresses.
What devices use 001899?
Any network device with a MAC address starting 00:18:99 was manufactured by or for ShenZhen jieshun Science&Technology Industry CO,LTD..