while read ip domain; 
  do  
  if [[ $ip == \#* ]]; 
    then continue;
  else count=$(netstat -pant |grep $ip:110 |wc -l); 
    if  [ $count -gt 0 ]; 
      then echo "$domain has $count connections";
    fi;
  fi; 
done </etc/hosts |sort -k 3 -n