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Definition, Functions, Classes, Examples, and How to Check IP Address

Understanding IP Address

What is IP Address? IP Address is a unique address in the form of a series of numbers that identify each computer on the internet network. In everyday life, this IP Address functions like a home address. When sending packages or letters, we always include the address of the destination and the sender so that the package can reach its destination. Without a destination address, it is certain that the package will not reach the destination because it does not know where to send the package. The IP address that is widely used today is the IP version 4 address which has a length of 32 bits.

IP Address Function
The function of the IP address is to uniquely identify each computer on the network so that it knows the sender and recipient of each data sent or received. With this uniqueness, there should be no wrong sending of data on the network.

IP Address Class IPv4

Class A
The first octet contains the numbers 1–126

Class B
The first octet contains the numbers 128–191

Class C
The first octet contains the numbers 192–223

Class D
The first octet contains the numbers 224-239

Class E
The first octet contains the numbers 240-255

IP Addressing System

IPv4
IP version 4 has a length of 32 bits and is divided into 4 octets, where each octet is 8 bits in wxyz format. Each variable has a value of 0-255 and there are certain numbers or values ​​that are excluded or cannot be used. In the future, this Version 4 IP address may be replaced with a Version 6 IP address because IPv4 has a limited number of hosts of only about 4 billion for the whole world, while IPv6 can address 4 Trillion addresses which means 1000 times more than IPv4. An example of an IPv4 Address is 192.168.0.1 which is usually the Router IP.

IPv6
IP version 6 has a length of 128 bits and is divided into 8 groups where each group consists of 4 hexadecimal digits and is separated by a colon. An example of IPv6 is 2001:1ab8:0000:0000:0000:0000:0349:5441

How to Check / View IP Address PC / Computer / Laptop

Check WiFi / Local IP Address Via Command Prompt (CMD)
1. Press Windows key + R on keyboard
2. Type cmd then enter
3. Type ipconfig then enter
4. Local IP Address will appear

How to Check / View IP Address of PC / Computer / Laptop Through Google Search Engine
1. Open your browser (Google Chrome / Safari / Mozilla Firefox / Opera)
2. Open www.google.com
3. Type IP address as search keyword
4. Your public IP address will appear

How to Check / View the IP Address of a PC / Computer / Laptop Through the Website
1. Open your browser (Google Chrome / Safari / Mozilla Firefox / Opera)
2. Open https://whatismyipaddress.com/
3. Your public IP address will appear

How to Check / View Mac IP Address
1. Click the Apple logo in the top left corner
2. Select System Preferences
3. Select Network
4. Select your connection status that is connected to the internet, a local IP address will appear in the status section

How to Check / View IP Address Smartphone Android / iPhone / iPad
1. Open the settings menu on Android/iPhone/iPad
2. Select the connection type
3. If the connection is WiFi, then select the WiFi name
4. Local IP Address will appear

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