VLSM CIDR IPV6 Subnet Calculator

IPV4 and IPV6 subnets are different from each other. IPV6 - Internet Protocol Version 6 is the most recently used IP address across the internet.

Compared to IPV4, IPV6 has larger address space which is 128 bits. The standard subnet size for IPv6 networks is a /64 block.

This IPV6 calculator helps you in planning you own hierarchical subnets across your network using the VLSM / CIDR technique.