IPv4 vs IPv6: Key Differences Explained

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Message Board > IPv4 vs IPv6: Key Differences Explained

IPv4 vs IPv6: Key Differences Explained

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networkingpm80
Guest
Jun 23, 2025
12:51 AM

As the internet continues to grow, understanding the difference between IPv4 and IPv6 is crucial. At PMNetworking, we help businesses stay updated with the latest networking technologies, including ipv4 vs ipv6 IP addressing.

IPv4 (Internet Protocol version 4) is the most widely used protocol, utilizing a 32-bit address format that supports approximately 4.3 billion unique IP addresses. However, due to the rapid growth of connected devices, these addresses are nearly exhausted.

IPv6, the successor to IPv4, uses a 128-bit address format, offering an almost limitless pool of unique addresses—about 340 undecillion. It also provides improved security, better routing efficiency, and simplified network configuration through auto-configuration capabilities.

One major difference is the notation: IPv4 addresses are written in dotted decimal (e.g., 192.168.0.1), while IPv6 addresses use hexadecimal and are separated by colons (e.g., 2001:0db8:85a3::8a2e:0370:7334).

PMNetworking recommends organizations gradually transition to IPv6 to future-proof their networks, enhance security, and improve performance. Though IPv6 adoption is growing, IPv4 remains essential in many systems, making dual-stack deployment a practical solution.

Stay connected with PMNetworking for expert guidance in managing your IP infrastructure and ensuring seamless digital transformation.

Anonymous
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Jun 23, 2025
4:13 AM

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