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