IPv4/IPv6 subnet calculator GestióIP
IP address management software


IPv4 IPv6
IP address
Prefix length   

IP address::a00:3/96
typeReserved by IETF (0000::/96) (Deprecated by [rfc5156])
Formerly an IPv4-compatible address
network::
Prefix length96
network range
0000:0000:0000:0000:0000:0000:0000:0000-
0000:0000:0000:0000:0000:0000:ffff:ffff
total IP addresses4294967296

IP address (full)0000:0000:0000:0000:0000:0000:0a00:0003
integer ID167772163
hexadecimal ID0xa000003
dotted decimal ID0.0.0.0.0.0.0.0.0.0.0.0.10.0.0.3
base 85 ID3ig5d
binary ID
00000000000000000000000000000000...
ip6.arpa Format3.0.0.0.0.0.a.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa
MS ipv6.literal.net--a00-3.ipv6-literal.net


Additional "IPv4-compatible IPv6 address" information (0000:0000:0000:0000:0000:0000:0a00:0003)
Embedded IPv4 address10.0.0.3


subnet-level I

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: 28/01/2021







Online Subnet Calculator GestióIP Copyright © Marc Uebel 2017