Bing found the following results
IPv4 vs. IPv6: What Are the Differences? - How-To Geek
What is IPv6? - GeeksforGeeks
IPv6 - Wikipedia
What Is IPv6? - Cisco
Internet Protocol version 6 (IPv6) overview - .NET | Microsoft Learn
Introduction to IPv6 - NetworkLessons.com
IPv6 – Google
IPv6 Explained for Beginners - steves-internet-guide.com
IPv6 Basics, News, Guides & Tutorials | Internet Society
IPv6 address - Wikipedia