Skip to content

Basic Information About IPv6

Internet Protocol version 6 (IPv6) was developed as a successor to the obsolete IPv4 protocol.
It solves and eliminates some of its shortcomings, especially the lack of address space and the related need to use NAT (network address translation).

IPv6 address has 128 bits (compared to IPv4, which has only 32 bits) and is written in hexadecimal format, separated by colons instead of dots. The IPv6 address entry can be shortened by skipping the zeros. These three entries below represent the same IPv6 address:


IPv4 addresses use colon to specify port, for IPv6 you must first enclose the entire address in square brackets:


It is necessary to specify the IPv6 address in square brackets even when accessing HTTP via a browser:


DNS AAAA record type is used for mapping domain name to an IPv6 address.

All modern protocols, operating systems and devices are ready for using IPv6. However, the gradual transition and the end of the IPv4 protocol is a long-term task.

The IPv6 address is not included by default in the managed server, dedicated server or housing server service. They come by default only with one IPv4 address. Contact the sales department to have an IPv6 range assigned. Consqeuently, a range will be allocated, routing set up and in case of a managed server (in coordination with the customer) an IPv6 address will be deployed on the server and configured for specific services.