400     5        

    ,      
         .   
 255.255.192.0    129.44.78.200,    -
   129.44.64.0.

       :

10000001.00101100.01001110.11001000
11111111.11111111.11000000.00000000

10000001.00101100.01000000.00000000

  129.44.64.0       
 129.44.0.0.    ,     -
 .       (    
  ,        )  
    129.44.78.200. ,  -  
       129.44.64.0.     -
     ,  ,     -
         129.44.64.7  ,
    .

  . IP- 129.44.141.15 (10000001 00101100 10001101 00001111),
        129.44.0.0   
0.0.141.15, ,    255.255.192.0,  -
  : 129.44.128.0   , 0.0.13.15   .

   

     (. . 5.15  5.16)  
       18  , , -
,          14 .  
        .   
,     ,       
  .  ,   ,  
  ,     , 
     -.    
    .   .  -
       Ml - 2   -
,   2u ,     
.       
        .

 . 5.17     ,  -
    IP-     -
.     (215)      
 129.44.0.0   255.255.128.0.   , -
     (214),     129.44.128.0
  255.255.192.0.       
   ,     -
 2    Ml.

 IP-          -
     .     -