# IPv4 Checker — IPv4 Address check tool

> IPv4 Address check tool (iPhone/iPad app by MASAKAZU ONO.)

- Source: https://appshunter.io/ios/app/ipv4-checker/id1291678396 (this page in markdown: same URL + `.md`)
- Developer: [MASAKAZU ONO](https://appshunter.io/developer/691290839)
- Category: Productivity, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 10.3 · 20 MB
- Languages: American English
- Released: 2017-10-02
- Data updated: 2026-05-12
- User reviews in markdown: https://appshunter.io/ios/app/ipv4-checker/id1291678396/reviews.md

## What is IPv4 Checker?

This application, for all IP network designer or engineer, can make subnet address from assigned network administrator.

- Creating subnet from required address numbers on a subnetwork.
- Creating subnet from required subnet numbers.

Output is subnet address group network address, CIDR, net mask, assignable address.


## Version history (last 2 releases)

### 1.0.1 — 2017-10-04

This app has been updated by Apple to display the Apple Watch app icon.

Bug fix.

### 1.0.0 — 2017-10-02

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-12.*