80            __ ___________________________ Internet

   IP. , - 
IPv6    32-  IPv4,    32
   IPv6.  ,   
   96 .

      128- :

501.-0000: 0000:0000:OOFC: ABCD: 3F1F:3D5A.   IPv6  -
       4   
,         -
: 501A:0:0:0:FC:ABCD:3F1F:3D5A. ,   -
      , 
    501A::FC: ABCD:3F1F:3D5A.   -
       .  -
,    3  ,   
.

 . 2.18       .
038                          64              127

010 Reqistry ID Provider ID Subscriber ID Intra - Subscriber

. 2.18.      

        IPv6.

 RegistryID      -
 Internet, , InterNIC     APNIC 
.  ProviderID   Internet. 
SubscriberID,      , -
  .  64    
         
 ,    IPv4      .

  ProviderID   Internet, -
 ,   ,    Intra-
Subscriber        Subnet, -
    ,   Station  
    .

        -
 . ,    Provider ID
  ,       
 .       
,    Subscriber ID  
,        .

  , 64-  Intrasubscriber  -
       .