gistfile1.txt

root@ubuntu:/var/log/apache2# cat access.log | awk '/([\.\d]+)/ {print $1}'|sort | sort -rn | head -n50
222.70.36.137
222.166.160.93
222.166.160.35
222.166.160.245
222.166.160.178
222.166.160.163
222.166.160.157
222.166.160.129
222.166.160.121
222.166.160.111
222.166.160.101
222.134.69.179
222.134.69.179
222.134.69.179
222.134.69.179
222.134.69.179
222.127.216.238
222.127.209.33
222.127.209.33
222.127.209.33
222.127.209.33
222.127.153.68
222.123.82.198
222.123.41.236
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142
222.123.235.142