HiCan please tell me which nodes is the best for Malaysia to use to connect FF XIV game located in Japan - Elemental Server based.
No perfect answer for your question because it’s very vary depending on your physical location, ISP, international cable status. 
Please check FAQ - Nodes document about how to pick a better node.
Umm… Could you please check it again? I’d updated the IP information at mudfish side. I hope it’s fine now. If not please let me know.