IPv4/IPv6 subnet calculator GestióIP
IP address management software


IPv4 IPv6
IP address
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IPv4/IPv6 subnet calculator and hierarchical IPv6 addressing plan builder

This is the online version of GestióIPv3's embedded subnet calculator. GestióIP is a free, web-based IP address management software.

To calculate an IP address select the IP version, introduce an IP address, choose a bitmask/prefix length and click "calculate".

In addition to the standard subnet calculator functions it can also be helpful in configuring IPv6 reverse DNS delegation as well as it can be used as IP address converter. It accepts the following IP address formats as input: dot-decimal notation (IPv4), colon-hexadecimal notation (IPv6), binary, integer, hexadecimal.

The subnet calculator includes an advanced IPv6 addressing plan builder which permits to create organization specific hierarchical IPv6 address allocation schemes. Read more...





For suggestions, comments or bugs relating to the subnet calculator mail to subnet_calculator@gestioip.net


last change: 22/05/2014







Online Subnet Calculator GestióIP Copyright © Marc Uebel 2014