Missing game

I just played a game as Sion in jungle, and we weren't doing so great. After some time (around 15:00 minutes of game time) my ping started to increase and went to 500. Since this was a thing that had happened a few times I went to check my internet connection and it worked fine. After which I left the game and tried going back in getting the firewall might be blocking the game bubble. After a few attempts when quitting the option to try again the game gave me the option to skip the stats like it has ended. And I have no trace of that game expect in memory. So just wanted to know if this is a case of drophacking and do we get some kind of penalty for this?
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