tons of GET request bogging down the server

i had tons of GET request like this : ( more than 1000 requests per second )

0-2 1989 1/24/1789 K 0.29 6 1 0.0 0.02 14.20 24.132.22.2 *********** GET /?STOP-CONTENT-SUPERNOVA.GoToBed HTTP/1.1
2-2 2017 1/23/2555 K 0.10 6 0 0.0 0.03 16.87 202.46.3.66 *********** GET /?STOP-CONTENT-SUPERNOVA.GoToBed HTTP/1.1
3-2 1990 1/30/1968 K 0.07 7 0 0.0 0.10 16.25 219.94.38.38 *********** GET /?STOP-CONTENT-SUPERNOVA.GoToBed HTTP/1.1
4-2 2018 1/17/2495 K 0.03 1 0 0.0 0.02 15.82 203.130.214.165 *********** GET /?STOP-CONTENT-SUPERNOVA.GoToBed HTTP/1.1

how to stop this ? like put their ip in the banned list (apf) ?
the problem is, the ip always different.
i lost almost 100 gig bandwidth each day because of this.

please help.

 

 

 

 

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