← Back to blog
IPv4 vs IPv6: The Future of the Internet
March 2, 2026
What is an IP Address?
Every device on the internet has a unique IP address, similar to a home address.
The Problem with IPv4
IPv4 addresses are nearly exhausted. There are only 4.3 billion possible addresses β not enough for every device.
IPv6 as the Solution
IPv6 offers 340 undecillion addresses. That's enough for every device until the end of time.
Differences
Format
IPv4: 192.168.1.1. IPv6: 2001:0db8:85a3:0000:0000:8a2e:0370:7334
Security
IPv6 has built-in encryption capabilities.
Dual Stack
Modern servers support both IPv4 and IPv6 for maximum compatibility.