What this means
The IEEE assigned the MA-L block 149090 to KongTop industrial(shen zhen)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 14:90:90, it is KongTop industrial(shen zhen)CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 149090?
149090 is registered to KongTop industrial(shen zhen)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. KongTop industrial(shen zhen)CO.,LTD's block covers 16,777,216 addresses.
What devices use 149090?
Any network device with a MAC address starting 14:90:90 was manufactured by or for KongTop industrial(shen zhen)CO.,LTD.