gistfile1.txt

[root@everything log]# tail -n 1000 /var/log/nginx_access.log | grep forum.minetest.net | cut -d' ' -f1 | cut -d'.' -f1,2 | sort | uniq -c | sort -n 
   1 179.209
   1 220.181
   1 23.250
   1 24.150
   1 35.202
   2 174.127
   2 179.96
   2 54.236
   2 69.221
   2 75.65
   2 78.193
   2 79.126
   2 87.218
   2 87.224
   3 17.58
   3 37.229
   3 66.249
   3 91.171
   4 188.106
   5 198.144
   5 91.121
   6 178.154
   6 213.180
   6 69.30
   7 46.229
  10 40.77
  20 157.55
  43 66.160
 465 114.119