Converting IPv4 addresses to IPv6 and vice versa

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IPv6 is developed based on the IPv4 platform to address the shortage of IPv4 addresses. With a 128-bit data length, IPv6 has up to 2.56 trillion trillion IP addresses, significantly more than IPv4, and is represented as a cluster of hexadecimal numbers separated by '::'. So, how do you convert IPv4 addresses to IPv6 and vice versa? Check out the article below for more information.

IP Address, also known as Internet Protocol Address, is a string of numbers with a length of 32 bits (IPv4) or 128 bits (IPv6) used to identify a network device on the network system to help them recognize and communicate with each other. IPv6 is developed based on the IPv4 platform to address the shortage of IPv4 addresses. With a 128-bit data length, IPv6 has up to 2.56 trillion trillion IP addresses, significantly more than IPv4. The advent of IPv6 has partly addressed the issue of IPv4 depletion to continue Internet operations, and overcome current weaknesses of IPv4 addresses such as lack of network security mechanisms, encryption needs, and low-quality control (QoS). So, if you need to use the IPv6 protocol, what do you need to do? Refer to the article below for instructions on how to convert IPv4 addresses to IPv6 and vice versa.

Converting IPv4 addresses to IPv6 and vice versa

Let's take an example of an IPv4 address: 192.168.25.234. To convert IPv4 to IPv6 and vice versa, we have 2 main methods as follows:

Method 1: Manually converting IPv4 to IPv6

For the IPv4 address above, we divide it into 4 sections, divide each section by 16, and record the result obtained along with the remainder.

192 : 16 = 12 remainder 0
168 : 16 = 10 remainder 8
25 : 16 = 1 remainder 9
234 : 16 = 14 remainder 10

Comparing with HEX values, we have:

A = 10
B = 11
C = 12
D = 13
E = 14
F = 15

Based on the calculation results above, we combine the result and remainder (result first, remainder after) to get: C0A8:19EA

Thus, the IPv6 address of 192.168.25.234 is C0A8:19EA

Since IPv4 addresses only have 32 bits, while IPv6 addresses have 128 bits, we are missing 96 bits. These 96 bits are a sequence of 0s. Therefore, to accurately represent, we have 2 ways of representation as follows:

Full representation 0000:0000:0000:0000:0000:0000:C0A8:19EA

Shortened representation ::C0A8:19EA

To convert back IPv6 address to IPv4, we do as follows:

C0 = (12 x 16) + 0 = 192
A8 = (10 x 16) + 8 = 168
19 = (1 x 16) + 9 = 25
EA = (14 x 16) + 10 = 234

So we will have the IPv4 address of C0A8:19EA as 192.168.25.234

Method 2: Online conversion from IPv4 to IPv6

Currently, there are many websites and services that support us in quickly converting IPv4 addresses to IPv6 and vice versa without the need for manual methods as above. Readers can refer to some of the following service websites:

1. isc.sans.edu Website

Step 1: Visit the online IPv4 to IPv6 conversion service website isc.sans.edu HERE

Step 2: Enter the IPv4 address to be converted into the blank box as shown in the image below and click Submit

Immediately afterward, we will have the result as the IPv6 address shown in the image below in both full and shortened notation.

2. Ultratools Website

Step 1: Visit the online IPv4 to IPv6 conversion service website ultratools HERE

Step 2: Enter the IPv4 address to be converted into the blank box as shown in the image below and click GO

The result for the IPv6 address will be in the Mapped Address line as shown in the image below.

3. ipv6.ztsoftware Website

Step 1: Visit the online IPv4 to IPv6 conversion service website ipv6.ztsoftware HERE

Step 2: On the website interface, scroll down, paste the IPv4 address into the IP field, and click IPv6 condensed to convert

And you will receive the result similar to the image below.

4. Subnetonline Website

Step 1: Visit the online IPv4 to IPv6 conversion service website Subnetonline HERE

Step 2: On the website interface, scroll down, paste the IPv4 address into the IP field, and click IPv6 condensed to convert

And you will receive the result similar to the image below.

So, with the instructions on how to convert IPv4 to IPv6 and vice versa provided here, hopefully, readers will equip themselves with a suitable conversion method for their needs. Any questions or concerns, readers can provide feedback directly below this article, and we will discuss together. Changing your IP address helps you enhance the security of your computer, and the methods of changing IP addresses have been shared in our previous tips and tricks articles.

Frequently Asked Questions

What are the benefits of converting IPv4 to IPv6?

Converting IPv4 to IPv6 allows for more IP addresses, improved network security mechanisms, and better quality control (QoS). It addresses the IPv4 depletion issue and supports ongoing Internet operations.

How do I manually convert an IPv4 address to IPv6?

To convert manually, divide the IPv4 address into sections, convert each section to hexadecimal, and add missing bits. For example, 192.168.25.234 becomes ::C0A8:19EA in shortened IPv6 notation.

Can I convert an IPv6 address back to IPv4?

Yes, you can manually convert IPv6 to IPv4 by reversing the hexadecimal process. For example, the IPv6 address C0A8:19EA converts back to 192.168.25.234 in IPv4.

Are there online tools to convert IPv4 to IPv6?

Yes, websites like isc.sans.edu, Ultratools, and Subnetonline offer quick and easy IPv4 to IPv6 conversion services. Simply input your IPv4 address, and they will provide the corresponding IPv6.

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