# Getting Started with IPv6 [IP addresses](https://www.digitalocean.com/community/tutorials/understanding-ip-addresses-subnets-and-cidr-notation-for-networking) let machines communicate across a network. DigitalOcean Droplets are assigned IPv4 addresses by default. Enabling IPv6 on a Droplet gives you access to its 16 additional IPv6 addresses. [IPv6 Quickstart](https://docs.digitalocean.com/products/networking/ipv6/getting-started/quickstart/index.html.md): Just the essentials to go from zero to working in a few minutes.