# IPv6 Subnet Calculator

> Get the first and last address and size of an IPv6 prefix, and split it into smaller subnets.

- URL: https://prismkit.hippodev.app/en/network/ipv6-subnet-calculator
- Category: Network
- Runs: client-side, no upload

This is an interactive tool — open https://prismkit.hippodev.app/en/network/ipv6-subnet-calculator to use it.