cut -d ' ' -f 1 /var/log/httpd/access_log | sort | uniq -c | sort -n  
109 192.187.110.211  
119 192.187.98.162  
132 192.187.114.53  
139 192.187.99.202  
155 221.7.132.2  

List IPs that have made requests to an Apache server in ascending order of number of requests.