IP Addressing

IP Addressing:-
       Two Versions of Addressing Scheme
               -IP Version 4 – 32 bit addressing
               -IP Version 6 –128 bit addressing

IP Adress Class:-
               CLASS A
               CLASS B
               CLASS C
               CLASS D
               CLASS E
NOTE:-
             - CLASS A, CLASS B & CLASS C is used in LAN and WAN
             - CLASS D is used in Multicasting
             - CLASS E is used in Research and Development

Class Ranges:-
            CLASS A Range
                          0.0.0.0  to 127.255.255.255
            CLASS b Range
                       128.0.0.0 to 191.255.255.255
            CLASS C Range
                       192.0.0.0 to 223.255.255.255
            CLASS D Range
                       224.0.0.0 to 239.255.255.255
            CLASS E Range
                       240.0.0.0 to 255.255.255.255

Octet Formats:-
           CLASS A is written as N.H.H.H
           CLASS B is written as N.N.H.H
           CLASS C is written as N.N.N.H

Private and Public IP Address:-
           Private IP Address
                    - CLASS A 10.0.0.0 to 10.255.255.255
                    - CLASS B 172.16.0.0 to 172.31.255.255
                    - CLASS C 192.168.0.0 to 192.168.255.255
           Public IP Address
                    -Apart from the above specified IP addresses all other IP address are Public IP’s
NOTE:-
           -To communicate with other system the network ID should be same
                     E.g:- Right  method  (192.168.1.0 to 192.168.1.55)
                              Wrong method (192.168.1.0 to 192.168.2.55)