IPv4/IPv6 subnet calculator GestióIP
IP address management software


IPv4 IPv6
IP address
Prefix length   

IP address64:ff9b:1:1122:33:4400:0:1/48
typeIPv4-IPv6 Translatable Address (local use) (64:ff9b:1::/48) [rfc8215][IANA]
network64:ff9b:1::
Prefix length48
network range
0064:ff9b:0001:0000:0000:0000:0000:0000-
0064:ff9b:0001:ffff:ffff:ffff:ffff:ffff
total IP addresses1208925819614629174706176

IP address (full)0064:ff9b:0001:1122:0033:4400:0000:0001
integer ID524413980668893483037035091183271937
hexadecimal ID0x64ff9b000111220033440000000001
dotted decimal ID0.100.255.155.0.1.17.34.0.51.68.0.0.0.0.1
base 85 ID9%@9KB0IEaZmcH1slq2
binary ID
00000000011001001111111110011011...
ip6.arpa Format1.0.0.0.0.0.0.0.0.0.4.4.3.3.0.0.2.2.1.1.1.0.0.0.b.9.f.f.4.6.0.0.ip6.arpa
MS ipv6.literal.net64-ff9b-1-1122-33-4400-0-1.ipv6-literal.net


Additional "IPv4-embedded IPv6 address" information (0064:ff9b:0001:1122:0033:4400:0000:0001)
Embedded IPv4 address17.34.51.68


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