After researching and going through google, I got a little bit about Port Forwarding.
My ISP is such a loser that it wasn't unblocking my ports so I had to do it on my own.
IMO, ISPs most of the times blocks some specific ports which cause you hosting a local server on your PC and other...
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IDK why but it happens to me. My IP Address changes like ****. I checked first in the morning around 7:00 AM and then at 8:50 AM it was different. :(
Location on the map is exactly the same but IP is changing too much. I use this IP lookup tool with the map.