____________________________________5.3.  IP     405

    SI, S2, S3  S4 
.      ,   
       ,   
 ()        .
     ,    
.         .

 .    Internet   -
   193.20.0.0-193.23.255.255 (1100 0001.0001 0100.0000 0000.0000 0000-
11000001.0001 0111.1111 1111.1111 1111)    193.20 (1100 0001.0001 01)
 ,    255.252.0.0.

        , -
 13,        :  193.20.30.0,
 193.20.30.16   193.21.204.48,        
255.255.255.240.         
 4  .

  ,       -
, ,        Internet. 
    4000 .        -
 , ,   193.22.160.0-193.22.175.255  
255.255.240.0.    ()     
193.22.160.0.

  2 (. 5.20)    -
       ,    
,    ,  .  -
,   193.22.160.0,      
  4096   8 ,    2 -
       .

			'''-...^		
193.20.0.0	255.252.0.0	3			
				1 1 234
	/	\
			'-. '		
193.20.30.0 193.22.160.0	255.255.255.240 255.255.240.0	2 3 4 5 6 7 8			
				1 82 65 234
0.0.0.0	0.0.0.0			
			--' I I ,,-'' 14J' >40?	4

. 5.20.          CIOR

    ,    -
 Ml,         -
     .  193.20.0.0   255.252.0.0
         Ml.