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Last updated on: 2026-09-30
App Store Apps > Utilities > CIDR
App profile · Utilities · Data updated 2026-09-30
CIDR icon

CIDR

by akira ohmachi · Free · Version 2.11.0
Availability On the App Store since April 2021
Rating on App Store
5.00/5
1 ratings
Rating
5.00
1 reviews
Best rank
–
not in the top lists
Last updated
June 21, 2026
2.11.0
AppBrain's verdict Established

It doesn't have enough ratings yet to judge what users think.

CIDR is made and published by akira ohmachi. AppBrain is an independent app data site and isn't affiliated with akira ohmachi. The app name, icon, screenshots and description belong to akira ohmachi and are shown as published on the App Store.

About CIDR

CIDR is an utilities app developed by akira ohmachi.

User Ratings

CIDR is rated 5.00 out of 5 stars. The rating is based on one rating ratings.

App Information

CIDR is freely available from the App Store. The app size is 23.06 MB. The latest version available is 2.11.0. The last update was on June 21, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since April 2021.

Description by akira ohmachi (from the App Store)
Calculate the IP address range from the IP address and subnet mask.
It can be used to calculate IPv4 addresses, including prefix display, number of address ranges, and bit notation.

CIDR calculation, when you want to check CIDR notation quickly.
To convert subnet mask to CIDR notation.
It can also be used as a quick reference table for subnet masks.
Bit notation is also available, so it is suitable for learning IPv4.
Show more Show less
Price Free
Rating 5.00 based on a single rating
Ranking Not ranked
Version 2.11.0
App size 23.1 MB
Suitable for Everyone

Screenshots

CIDR Screenshot 1 of 4
CIDR Screenshot 2 of 4
CIDR Screenshot 3 of 4
CIDR Screenshot 4 of 4
Screenshots by akira ohmachi, from the the App Store listing
Official page on the App Store Also on Google Play

Also available on Google Play

CIDR Subnet Mask Calculator icon CIDR Subnet Mask Calculator
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Changelog of CIDR

No changelog data

Developer information for akira ohmachi

akira ohmachi

Address:

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Comments on CIDR for iOS

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App Store Rankings for CIDR

This app is not ranked

Technologies used by CIDR

Frequently asked questions about CIDR

Is CIDR free?

Yes. CIDR is free on the App Store.

Is CIDR still available?

Yes. CIDR is on the App Store, and the last update we saw was on June 21, 2026.

How large is the CIDR download?

CIDR is 23.06 MB to download.

Is CIDR suitable for children?

App Store rates the content of CIDR as suitable for everyone.

How do people rate CIDR?

CIDR has one rating of 5.00 stars on the App Store.

Who made CIDR?

CIDR was developed by akira ohmachi. It is listed in the utilities category on the App Store.

What are the best alternatives to CIDR?

People looking at CIDR also look at these utilities apps: CIDR Calc, IP and Subnet Calculator, SafeTrack Manager, IP Calcpad, GS SMART BT Tools.

Apps other people are watching Price drops on Google Play Popular Utilities Apps Top new apps Today's trending apps
CIDR Calc icon CIDR Calc
IP and Subnet Calculator icon IP and Subnet Calculator
SafeTrack Manager icon SafeTrack Manager
IP Calcpad icon IP Calcpad
GS SMART BT Tools icon GS SMART BT Tools
IP Address Locator - Lookup IP from latest Worldwide IP database icon IP Address Locator - Lookup IP from latest Worldwide IP database
About Subnet Mask icon About Subnet Mask
IP Calculations icon IP Calculations
Overview Alternatives Reviews Rankings Technology
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