About Subnet Calc
Subnet Calc is a subnet / ip calculator designed to help network administrators who need to remember details about the various subnets which they administer. You can select an IP and a subnet in CIDR notation and Subnet...
Subnet Calc is a subnet / ip calculator designed to help network administrators who need to remember details about the various subnets which they administer. You can select an IP and a subnet in CIDR notation and Subnet Calc will tell you all the details about the subnet, including its class and even whether or not the IP is in the loopback / private ranges. There is also a PRO version called Subnet Calc Pro. Be sure to check it out for more advanced features such as an organiser and the ability to find a subnet based upon a given set of IPs.
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Previous Versions
Here you can find the changelog of Subnet Calc since it was posted on our website on 2016-09-23 12:32:57.
The latest version is 3.2 and it was updated on 2026-10-13 14:12:03. See below the changes in each version.
Subnet Calc version 3.2
Updated At: 2026-10-13
Changes: Version History Fixed a crash when using the next and previous subnet buttons. 3.2 04/23/2022 Support for latest iOS versions. 3.1 02/05/2022 Full support for iPhone X & XS. 3.0 12/21/2018 iOS 9.0 is now fully supported. 2.5 10/08/2015 Full iOS 7 support 2.4 09/11/2013 = Version 2.3.1 =
* Bug fixes.
= Version 2.3 =
* Upgrading to "Subnet Calc Pro" can now be done inside the app for iOS > =6.0 users.
* Bug fixes.
Remember that you can opt to remove adverts by going to settings and purchasing. 2.3.1 05/28/2013 * Upgrading to "Subnet Calc Pro" can now be done inside the app for iOS > =6.0 users.
* Bug fixes.
Remember that you can opt to remove adverts by going to settings and purchasing. 2.3 04/10/2013 * Fixes a crashing bug on iPad
* Added maximum subnets field 2.2.5 11/28/2012 == Version 2.2.4 ==
* Full iOS 6 support.
== Version 2.2.3 ==
* Fixed bug which would cause a crash in certain circumstances when editing an IP address.
== Version 2.2.2 ==
* Fixed some bugs.
== Version 2.2.1 ==
* Fixed some bugs.
== Version 2.2 ==
* Added ability to open the app from a link formed like subnetcalc://IP/CIDR . For example, subnetcalc://192.168.0.1/24 .
* Fixed a few bugs that would cause problems under iOS 5. 2.2.4 09/25/2012 == Version 2.2.3 ==
* Fixed bug which would cause a crash in certain circumstances when editing an IP address.
== Version 2.2.2 ==
* Fixed some bugs.
== Version 2.2.1 ==
* Fixed some bugs.
== Version 2.2 ==
* Added ability to open the app from a link formed like subnetcalc://IP/CIDR . For example, subnetcalc://192.168.0.1/24 .
* Fixed a few bugs that would cause problems under iOS 5. 2.2.3 06/28/2012 == Version 2.2.2 ==
* Fixed some bugs.
== Version 2.2.1 ==
* Fixed some bugs.
== Version 2.2 ==
* Added ability to open the app from a link formed like subnetcalc://IP/CIDR . For example, subnetcalc://192.168.0.1/24 .
* Fixed a few bugs that would cause problems under iOS 5. 2.2.2 06/12/2012 == Version 2.2.1 ==
* Fixed some bugs.
== Version 2.2 ==
* Added ability to open the app from a link formed like subnetcalc://IP/CIDR . For example, subnetcalc://192.168.0.1/24 .
* Fixed a few bugs that would cause problems under iOS 5. 2.2.1 03/22/2012 * Added ability to open the app from a link formed like subnetcalc://IP/CIDR . For example, subnetcalc://192.168.0.1/24 .
* Fixed a few bugs that would cause problems under iOS 5. 2.2 02/28/2012 - Settings added to change what parts (decimal, hexadecimal, binary) are visible in the calculator.
- Added option to remove adverts from the app. 2.1 03/26/2011 - Changed the 'max hosts' to show the actual usable hosts
- UI update
- Overhaul of the backend 2.0 11/01/2010 - Added previous and next subnet buttons
- Fixed a bug where hosts and class fields were muddled 1.5 07/20/2009 1.4 06/17/2009 1.3 03/22/2009 1.2 01/10/2009 1.1 11/28/2008 1.0 11/08/2008
Subnet Calc version 3.2
Updated At: 2022-04-23
Changes: Apr 23, 2022
Version 3.2
Fixed a crash when using the next and previous subnet buttons.
Subnet Calc version 3.2
Updated At: 2022-04-23
Changes: Fixed a crash when using the next and previous subnet buttons.
Subnet Calc version 2.5
Updated At: 2008-11-20
Disclaimer
Official App Store Link
We do not host Subnet Calc on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
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