SubnetMaster: IP Calculator
Master IPv4 & IPv6 Subnetting
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
The ultimate toolkit for IT pros and CCNA students. Calculate VLSM/FLSM subnets instantly, export reports, and level up your networking skills!
SubnetMaster is the definitive toolkit for IT professionals, network engineers, and students preparing for their CCNA, CompTIA Network+, or university exams. Say goodbye to manual binary math and tedious scratchpad calculations!
Whether you are architecting a complex enterprise network or just learning the basics of IP addressing, SubnetMaster provides lightning-fast, error-free results right in your pocket.
KEY FEATURES:
• Advanced VLSM & FLSM Calculators: Instantly break down networks with Variable Length Subnet Masking or standard Classful subnetting.
• Comprehensive Network Details: View your Network ID, Broadcast Address, Usable Host Ranges, and CIDR notation at a glance.
• Export & Share Reports: Generate professional PDF and CSV reports of your custom subnet designs to share with your team or attach to your IT documentation.
• Interactive Training Modes: Sharpen your binary math and subnetting skills with practice scenarios designed to help you ace your certification exams.
• IPv4 & IPv6 Support: Future-proof your workflow with full support for both addressing protocols.
SUBNETMASTER PRO:
Upgrade to SubnetMaster Pro to unlock the ultimate networking experience! Premium users get unlimited VLSM/FLSM designs, unlimited PDF/CSV exports, advanced IPv6 features, and priority support. Choose from flexible Monthly, Annual, or one-time Lifetime unlock options.
Stop guessing and start designing. Download SubnetMaster today and make IP subnetting the easiest part of your job!
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
The developer, Anthony Rubino, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Financial Info
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Anthony Rubino
- Size
- 42.3 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Monthly Premium $4.99
- Lifetime Unlock $59.99
- Annual Premium $29.99
- Copyright
- © 2026 Anthony Rubino