Para ver los accesos de ayer de las 18:00 a 18:59:

     grep "02/Dec/2013:18" */statistics/logs/access_log | cut -d":" -f1 | sort | uniq -c | sort -n

   1189 ardoaraba.com/statistics/logs/access_log
   1852 amigosderiscal.com/statistics/logs/access_log
   2464 vivirenzumaia.com/statistics/logs/access_log
   
   
   
   
Para los accesos de las 19:00 en adelante:

     grep "02/Dec/2013:19" */statistics/logs/access_log | cut -d":" -f1 | sort | uniq -c | sort -n


    119 ederkinet.com/statistics/logs/access_log
    146 amigosderiscal.com/statistics/logs/access_log
    218 ardoaraba.com/statistics/logs/access_log
   
    
    
    

Listar IP por numero de accesos:
     grep "02/Dec/2013:18" access_log  | cut -d" " -f1 | sort  | uniq -c | sort -n