Site24x7 Subnet Calculator for IPv4 and IPv6: Network IP Calculations Made Simple - Site24x7 Blog
Announcing Our New IPv6 Subnet Calculator
GitHub - ygvn/IPv6-Subnet-Calculator-Tool-CSharp: IPv6 Subnet Calculator / Tool application lets you plan/subnet your assigned IPv6 address for all 128 bits.
6connect on Twitter: "Our IPv6 Subnet Calculator can be used to work within your IP block range and estimate the structure of your IPv6 allocation. Or you can just generate CSV files
26. CCNA Ch12 - Create an IPv6 Subnet Calculator in Excel -Part2 - YouTube