App profile & analytics · Utilities · Data updated 2026-10-15

SubnetCalc Pro

by Julian Christopher Siebert · $0.99 · Version 1.3

Availability On the App Store since November 2025 ↗

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

About SubnetCalc Pro

SubnetCalc Pro is an utilities app developed by Julian Christopher Siebert.

User Ratings

The app has no ratings yet.

App Information

SubnetCalc Pro costs $0.99. The app size is 1.25 MB. The latest version available is 1.3. The last update was on April 27, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since November 2025.

Description by Julian Christopher Siebert (from the App Store)

• SUBNET CALCULATOR (IPv4 & IPv6)
Calculate network addresses, broadcast, host ranges and more. Smart IP input field with automatic octet separation, number keyboard, and auto-jump. Binary view with color highlighting (network bits blue, host bits green).

• IP OWNER LOOKUP
Discover who owns an IP address. Shows organization, ISP, ASN, location on map (MapKit) and more. Auto-search after 1 second. Multi-API with fallback (IP-API.com, ipapi.co, ipinfo.io). 24h offline cache.

• VLSM CALCULATOR
Plan complex subnet structures. Automatic calculation of optimal CIDR values. IP shortage warning. Export as PDF or CSV. History of last 10 plans.

• SUBNET REFERENCE
Complete table of all subnet masks (/0 to /32). Search/filter function. Favorite stars for frequently used masks.

• NETWORK TOOLS
- HTTP Ping: Test connectivity with real response times
- Port Scanner: Scan common ports (SSH, HTTP, HTTPS, RDP, MySQL)
- DNS Lookup: Domain resolution via Google DNS
- IP Batch Scanner: Scan IP ranges, CSV export

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More data about SubnetCalc Pro

Price	$0.99
Rating	No ratings
Ranking	Not ranked
Version	1.3
App size	1.25 MB
Suitable for	Everyone

Screenshots

Screenshots by Julian Christopher Siebert, from the the App Store listing

Official page on the App Store

Changelog of SubnetCalc Pro

No changelog data

Developer information for Julian Christopher Siebert

Julian Christopher Siebert

Address:

Comments on SubnetCalc Pro for iOS

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App Store Rankings for SubnetCalc Pro

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Technologies used by SubnetCalc Pro

Frequently asked questions about SubnetCalc Pro

Is SubnetCalc Pro free?

No. SubnetCalc Pro costs $0.99 on the App Store.

Is SubnetCalc Pro still available?

Yes. SubnetCalc Pro is on the App Store, and the last update we saw was on April 27, 2026.

How large is SubnetCalc Pro?

SubnetCalc Pro is 1.25 MB.

Is SubnetCalc Pro suitable for children?

App Store rates the content of SubnetCalc Pro as suitable for everyone.

Who made SubnetCalc Pro?

SubnetCalc Pro was developed by Julian Christopher Siebert. It is listed in the utilities category on the App Store.

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