Software & Windows Solutions - Subnet and IP Calculator One of the most important tools in the belt of a junior network engineer is an IP network calculator. These can be used
gestioip
GitHub - ygvn/IPv6-Subnet-Calculator-Tool-JavaFX: IPv6 Subnet Calculator / Tool application lets you plan/subnet your assigned IPv6 address for all 128 bits.
SubetCalc
Subnetting with IPv6 - Part 2/2 - CodeProject
GitHub - ygvn/IPv6-Subnet-Calculator-Tool-CSharp: IPv6 Subnet Calculator / Tool application lets you plan/subnet your assigned IPv6 address for all 128 bits.
IPv6 address - Wikipedia
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LanCalculator - IP Subnet Calculator for IPv4/IPv6 Networks - LizardSystems