This is an exercise in subnetting. You will compute a | Chegg.com
GitHub - ygvn/IPv6-Subnet-Calculator-Tool-CSharp: IPv6 Subnet Calculator / Tool application lets you plan/subnet your assigned IPv6 address for all 128 bits.
IPv4 IPv6 Subnet Calculator Help
7 Handy Subnet Calculators to Bookmark - Geekflare