IPv6 → endereços possíveis

The IPv6 possible addresses calculator is an online tool that calculates the number of unique addresses available in an IPv6 network. It uses the formula 2 raised to the power of (128 - prefix) to perform this calculation. The prefix is a value that defines the number of fixed bits in the network part of the IPv6 address.

With the growing adoption of IPv6, understanding the available address space is crucial for network administrators and IT professionals. IPv6 offers a huge address space, with 2¹²⁸ possible addresses, allowing for a virtually unlimited number of devices connected to the internet. However, in practice, the number of available addresses is smaller due to the hierarchical structure of IPv6 addresses and the use of sub-networks.

When using this calculator, it's essential to be careful with the prefix notation. The prefix is expressed in prefix length notation (e.g., /64), which defines the number of bits in the network part of the address. The larger the prefix, the smaller the number of addresses available in the sub-network.

This calculator is useful in various cases, such as network planning, subnet configuration, and IP address management. It helps to better understand the available address space and optimize the use of IPv6 addresses.