sample offending IPs:
 

50.7.8.131/32
80.80.80.80/32
8.44.63.63/32
58.69.140.17/32
158.69.140.17/32
135.125.87.35/32
68.142.122.37/32
47.185.107.147/32
192.119.8.93/32
178.237.56.153/32
73.247.224.154/32
73.247.224.15/32
67.193.92.90/32
70.177.113.166/32
70.51.0.226/32
37.9.175.20/32
98.217.116.40/32
69.28.48.201/32
66.254.114.41/32
91.220.101.13/32
34.224.160.149/32
3.143.34.186/32
172.86.114.77/32
47.153.186.164/32
194.146.239.129/32
66.151.138.194/32
192.200.158.178/32
192.119.8.82/32
112.132.221.121/32
74.91.119.228/32