What is the IP Address? – Full Tutorial

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What is the IP Address? – Full Tutorial

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IP Address is..?

IP Address use mainly identifies and connect each device (Computers, Mobile phone, Router, hub and etc…) in the network. We can’t assign IP Address for the device in the network as our wish. Because of there is a standard. If we maintain a network we should carefully about number of device, connected network and etc… In this tutorial we talk about of IP Address. So let’s begin the tutorial.

Identify of IP Address

In the world we are using two main types of IP Address.



In the world mostly using IPV4 IP Address and also IPV6 integrate to all systems.

There are two main types of IPV4 Address.

Network ID

Host ID

We will talk about these two types end of the tutorial. Now I’m going to teach you how to use an IPV4 IP Address in a network. Before the use this format IP let’s see how it’s build.

IPV4 Address also builds with Bit32. What is this Bit?

Watch the picture, and then you can know how to convert decimal to binary. In a IP address we also using 8 bits. So we can get the largest IP Address as

Now let’s see how to write a decimal number in binary format.

Now you have some idea how it’s working. Before the make network we should learn about binary and decimal to configuration our network. Because of we can manage how many host computers need to our network.

IP Address classes

In the internet IP address are divide to main four classes. The IP address classes are based on the size of a network. That means one class for a small network, one class for a medium-sized network, and one class for a large-scale network. So basically we can see three IP address classes.

Class A: 1-126


Class B: 128-191


Class C: 192-223


IP Address in one of the first numbers by category, we w IP Address Classes can be identified. Let’s see the Host size and Network size that can be added to each IP Address Classes. 
• Network ID: The IP address of an IP address indicates which network the IP is assigned to. Similarly, in a network, the IP address of an IP address remains the same.
• Host ID: An IP address is a part of the IP address that is assigned to each host in the same network. 
“Always a Network IP Address is above a fixed Network ID Host ID and one always be change”

IP Address Class of Network ID and a Host Id is

1. Class A – Net. Host. Host. Host
2. Class B – Net. Net. Host. Host
3. Class C – Net. Net. Net. Importance of Host

Default Mask

Subnet mask is very important for us to identify the number of host per newtwork belonging to a network in an IP address class. The Subnet Mask of IP Address Classes is made up of a maximum of 1 Bits that can be added to the Network ID of each IP Class. That is, the maximum number of network IDs that can be written in both binary. An IP address has a numeric set of 27 powers. As such, we can get the subnet mask of each IP address classes as follows.

Class A: Net. Host. Host. From Host
Binary: 11111111. 00000000. 00000000.00000000
Subnet Mask:

Class B: Net. Net. Host. From Host
Binary: 11111111. 11111111. 00000000.00000000
Subnet Mask:

Class C: Net. Net. Net. Host
Binary: 11111111.11111111. 11111111.00000000
Subnet Mask:

• When Assigning an IP Address to a Host, you must include the Subnet Mask.

What are these Network Bits and Host Bits?

Once we know what Network Bits and Host Bits are in each IP Address Classes Subnet Mask, we can find out exactly what Network IPs and Hosts you can assign to each IP Address Classes.
The subnet mask of each IP address class is written as a binary. 2K Base Power of Network Bits the number of network addresses of that network address and the number of Host bits 2K base are subtracted from the power of the network address.
Now let’s look at the network number that can be assigned to each IP address class and the host number that a network can assign.


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