IPv4 vs IPv6: IPv4 uses a 32-bit address format and supports about 4.3 billion addresses, while IPv6 uses a 128-bit address format, providing an almost unlimited number of unique addresses. IPv6 also offers better security, faster routing, and simplified configuration, making it more suitable for the modern internet compared to IPv4. https://www.uninets.com/blog/compare-ipv4-and-ipv6-addressing