Thursday, 16 March 2017

IP Addressing in Networking by NetworkingGeeks

Hello Friends, Today our topic is about IP Addressing. IP Addressing is little bit complex to understand so, you need to focus more. Before going to IP addressing topic, I would like to cover some primary part of it like Types of network, classes of network and then we will discuss about Addressing. So here we start...
IP Address is a logical Address and it is a Network Layer Address.. There are two types of IP:

  • IPV4
IPV4 Version is a 32 bit address
  • IPV6 
IPv6 version is 128 bit address 

Note: The difference between these to is nothing but Bit. Some people may say that speed and other but that is completely wrong. 

Bit represented by 0 or 1 that is binary and IP address is in binary form.
What is Octet?
We all know that that remembering IP address is very difficult task so that, Octet comes into picture. As we know that Every octet contains 8 bit. So we are putting dot symbol after a octet complete. 
IP Addressing
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But this format is also very difficult to remember. so IP is converted into Decimal form to make it simple. And Decimal Form is looks like 

Now a very common question is here, 

Who is managing IP Address?
And the Answer is IANA (Internet Address Number authority).

Let's see how we are calculate IP address from Binary to Decimal.
IP Address Calculation

If there all bit of four octet is 0 then
IP Addressing SmartiesGeeks

 If There all bits of four octet is 1 then
IP Addressing SmartiesGeeks

IP Address Classification

IP address is divided into five classes. They are:
  1. Class A
  2. Class B
  3. Class C
  4. Class D
  5. Class E
Class A, B, C is used for LAN and WAN where D is reserved for Multi-casting and E is for Research and Development team.

Priority Bit 

Priority Bit is used for IP Address Classification. The most Significant bit  from the first Octet are selected for Priority bit. 
  • Class A Priority Bit  0
  • Class B Priority Bit  1 0
  • Class C Priority Bit  1 1 0
  • Class D Priority Bit  1 1 1 0
  • Class E Priority Bit   1 1 1 1 1

Note:  I will calculate Class A  Minimum and Maximum Range And rest You do from yourself.
Calculation Of Class A Ranges:

Maximum Range Calculation:
IP Addressing SmartiesGeeks
 Minimum Range Value Calculation:

IP Addressing SmartiesGeeks

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