IPv6 is the successor of IPv4 and the main reason we need it is because we are running out of IPv4 address space. IPv4 uses 32-bit addresses and offered us about 4.3 billion addresses, IPv6 offers 128-bit addresses so we have a huge amount of available addresses.

We are focused on offering host and router testing that reduces the time to market for our customers, and accelerate the adoption of IPv6 technology. In order to maintain and strengthen services, the IPv6 Testing Services achieved ISO/IEC 17025 certification offering accredited USGv6 testing in addition to accredited testing for the IPv6 Ready Apply Program Control for IPv6 NAT Traversal Traffic Jul 15, 2020 Techopedia: Educating IT Professionals To Make Smarter Step 8 - IPv6 to the Rescue Obviously, the 32-bit IP address has a limited number of addresses and the explosion of interconnectivity has proved that there are just not enough IPv4 addresses to go around. The answer to future growth lies in the IPv6 addressing scheme. This is more than just the big brother to IPv4 in that it not only adds a significant number of addresses to the IP addressing No-IP Now Offers IPv6 Dynamic DNS | No-IP Blog

Explaining IPv6 Made Easy | Visual.ly

IPv6 does not use network addresses or broadcast addresses. An address where the host bits are all 0s or all 1s is still valid! We also do not use subnet masks for IPv6. Everything is written in slash notation. In IPv6 the first 48 bits are used for networking and routing. The next 16 and used to define subnets. The last 64 and used to identify IPV6 v IPV4: what are they, what's the difference, which Jan 11, 2019

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Subnetting with IPv6 is not drastically different than subnetting with IPv4, we just need to keep a few things in mind: 1.) Each character in an IPv6 address represents 4 bits (a nibble). Since 0xF is 1111 in binary, it's easy to fall back into an IPv4 habit and forget that 0x11 is actually 0001 0001 in binary. 2.) No More Excuses: IPv6 Planning Made Easy - Team ARIN Aug 29, 2016 How we make IPv6-only hosting a reality - Team ARIN Jul 08, 2020 Back to Basics – The IPv6 Address Types Aug 19, 2017