Global Unicast IPv6 Addresses, Global Unicast IPv6 Address prefix, format and range
Understanding IP Addressing and CIDR Charts — RIPE Network Coordination Centre
Getting IPv6 private addressing right | APNIC Blog
GitHub - ygvn/IPv6-Subnet-Calculator-Tool-CSharp: IPv6 Subnet Calculator / Tool application lets you plan/subnet your assigned IPv6 address for all 128 bits.
cloud - Enabling IPv6 subnet on oracle - Stack Overflow