What this means
The IEEE assigned the MA-L block 481F2D to Shenzhen Jie Shi Lian Industrial 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 48:1F:2D, it is Shenzhen Jie Shi Lian Industrial Co.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 481F2D?
481F2D is registered to Shenzhen Jie Shi Lian Industrial 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 Jie Shi Lian Industrial Co.,LTD's block covers 16,777,216 addresses.
What devices use 481F2D?
Any network device with a MAC address starting 48:1F:2D was manufactured by or for Shenzhen Jie Shi Lian Industrial Co.,LTD.