IPv4/IPv6 subnet calculator GestióIP
IP address management software


IPv4 IPv6
IP address
Prefix length   

IP address64:ff9b::1234:5678/96
typeIPv4-IPv6 Translatable Address (64:ff9b::/96) [rfc6052][IANA]
network64:ff9b::
Prefix length96
network range
0064:ff9b:0000:0000:0000:0000:0000:0000-
0064:ff9b:0000:0000:0000:0000:ffff:ffff
total IP addresses4294967296

IP address (full)0064:ff9b:0000:0000:0000:0000:1234:5678
integer ID524413980667603649783483181617665656
hexadecimal ID0x64ff9b000000000000000012345678
dotted decimal ID0.100.255.155.0.0.0.0.0.0.0.0.18.52.86.120
base 85 ID9%@9KA?CXN}O&zD;$&l
binary ID
00000000011001001111111110011011...
ip6.arpa Format8.7.6.5.4.3.2.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.b.9.f.f.4.6.0.0.ip6.arpa
MS ipv6.literal.net64-ff9b--1234-5678.ipv6-literal.net


Additional "IPv4-embedded IPv6 address" information (0064:ff9b:0000:0000:0000:0000:1234:5678)
Embedded IPv4 address18.52.86.120


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