418     5        

       
 .       -
      ,   -
  .      
     ,    
 ,      ,   -
      .

	III I I
	] 1 ]		1
	  '---------
			^^  /^^^ Internet  / (exterior gateway)
			
			
			
		!	WSt	
^  ..				
/ \ / v^   / \ \ (interior gateway)			
		
			l~l
' ' ^ ^			
  N

. 5,25.     Internet

      
,          Internet
  ,      -
       IP-,  
         .

   CIDR    -
  ,    . ,
          -
,  194.27.0.0/16,       
     ,     -
    , ,  194.27.32.0/19 
194.27.40.0/21,        194.27.0.0/16.