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IP address


IP address

IP Address: it is addressing give for network devices address in a network, use  for the communication   Between the network devices.

There  are Two Versions of Addressing:-
􀂇 IP version 4 ------- 32 bit addressing
􀂇 IP version 6 ------- 128 bit addressing

IP address versions 4:-

-Range of ip address version 4:-
0.0.0.0 - 255.255.255.255
- IP address v4 divided into 5 classes called as IP address classes

IP Address Classes

􀂇 CLASS A
􀂇 CLASS B                  LAN & WAN
􀂇 CLASS C
􀂇 CLASS D             Multicasting
􀂇 CLASS E            Research & Development

- how can identify range of each class  Address Classes?
By use Priority Bit Concept
􀂇 to identify the range of each class a bit called priority bit is used.
􀂇 Priority Bit is the left bits in the First Octet (first part) :
-  CLASS A priority bit is                 0
-  CLASS B priority bit is                 10
-  CLASS C priority bit is                 110
-  CLASS D priority bit is                 1110
-  CLASS E priority bit is                 1111
 Class Ranges
􀂇 CLASS A Range                 0.0.0.0       - 127.255.255.255
􀂇 CLASS B Range                  128.0.0.0    - 191.255.255.255
􀂇 CLASS C Range                  192.0.0.0    - 223.255.255.255
􀂇 CLASS D Range                 224.0.0.0    - 239.255.255.255
􀂇 CLASS E Range                  240.0.0.0   - 255.255.255.255


Network ID and host ID Format:-
􀂇 IP address is divided into Network & Host Portion
􀂇 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

Subnet mask
􀂇 CLASS A is written as 255.0.0.0
􀂇 CLASS B is written as 255.255.0.0
􀂇 CLASS C is written as 255.255.255.0




How can  assigning IP Address :
-Right click on my network place –select properties

-Right click local area connection –select properties

-select Internet protocol (TCP/IP) – click properties


-select  use the following IP address
- in IP enter your IP eg : 192.168.0.4
- click subnet mask it will come as 255.255.255.0
-click ok


- click ok -
1-start
2- run    type   cmd
3- type ipconfig  press enter

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