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Subnet Plus: Subnet Calculator

Ted Trentler
Network Toolkit
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175 of 175 storefronts
Content in en-US
55 Ratings
4.7
★★★★★
Age Rating
4+
Years
Developer
Ted Trentler
Language
EN
+43 More
Size
9.5
MB

Information

Apple ID724663668
Bundle IDcom.trentlerconsulting.Subnet--
SellerSeller
Min iOS26.0
Min macOS26.0
Device familiesiphone, ipad
Released2013-10-30
Copyright© Ted Trentler
WebsiteLink ↗
Privacy policyLink ↗

Preview 2 platforms

iPhone 7 images

iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot

iPad 7 images

iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot

What’s New Version 2.2

What's new in 2.2: Eight new tools, now organized into Calculators, Diagnostics, and Reference: • My Network — your device's network at a glance: local IP and subnet, DNS servers, gateway, Wi-Fi name, and public IP • Split Subnet — divide a network into equal-size subnets by target prefix or count • Overlap Check — paste a list of CIDRs to find conflicts and the smallest summarizing set • Port Scan — check which TCP ports are open on a host • Config & Docs — export a subnet as a Markdown table, Cisco IOS config, or reverse-DNS (PTR) zone • Base Converter — convert IP addresses between binary, hex, and integer • Bandwidth & MTU — a transfer-time calculator plus an MTU/MSS helper • Common Ports — a searchable reference of well-known ports and services Also new: • Step to the previous or next subnet right from the calculator • A quick . : / key bar speeds up typing addresses • SubnetPlus Pro — a one-time upgrade that removes ads and unlocks alternate app icons, custom accent colors, and PDF export • More Pro tools: WHOIS (domain, IP & ASN), Reverse DNS (PTR), and MAC Vendor • The Home Screen widget now fits all its details cleanly • Deleting a saved item now asks for confirmation

Description

Subnet Plus is a fast, beautiful subnet calculator for network engineers, sysadmins, and students — now completely rebuilt for iPhone and iPad. Type any IPv4 or IPv6 address and instantly see the network address, broadcast, usable host range, subnet mask, wildcard mask, prefix length, total and usable hosts, IP class, and address type. A live prefix stepper lets you dial the mask up or down and watch every value update in real time. NETWORK CALCULATIONS • IPv4 and IPv6, auto-detected • Binary view with network/host bits color-coded • Visual address-space map PRO TOOLS • VLSM Designer — carve a network into right-sized subnets and save the plan • CIDR to subnet mask to wildcard converter • Subnet membership — is an address inside a network? • Range to CIDR, and supernet / aggregate • CIDR cheat sheet NETWORK UTILITIES • DNS Lookup — A, AAAA, MX, NS, TXT, CNAME, SOA, SRV, and reverse PTR — using your device's resolver or any IPv4/IPv6 DNS server you add • Ping — round-trip time and packet loss • Traceroute — see the path to any host SAVE & SYNC • Label and save subnets, VLSM plans, and lookups • Everything syncs across your devices with iCloud • Share and export your results Available in 45 languages. Remove ads with a one-time in-app purchase.

In-App Purchases US pricing

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Version history 9 versions

Build 887567745v2.22026-07-04 01:50:15
What's new in 2.2: Eight new tools, now organized into Calculators, Diagnostics, and Reference: • My Network — your device's network at a glance: local IP and subnet, DNS servers, gateway, Wi-Fi name, and public IP • Split Subnet — divide a network into equal-size subnets by target prefix or count • Overlap Check — paste a list of CIDRs to find conflicts and the smallest summarizing set • Port Scan — check which TCP ports are open on a host • Config & Docs — export a subnet as a Markdown table, Cisco IOS config, or reverse-DNS (PTR) zone • Base Converter — convert IP addresses between binary, hex, and integer • Bandwidth & MTU — a transfer-time calculator plus an MTU/MSS helper • Common Ports — a searchable reference of well-known ports and services Also new: • Step to the previous or next subnet right from the calculator • A quick . : / key bar speeds up typing addresses • SubnetPlus Pro — a one-time upgrade that removes ads and unlocks alternate app icons, custom accent colors, and PDF export • More Pro tools: WHOIS (domain, IP & ASN), Reverse DNS (PTR), and MAC Vendor • The Home Screen widget now fits all its details cleanly • Deleting a saved item now asks for confirmation
Build 887307446v2.12026-06-27 23:38:17
What's new in this update: • New Email Authentication tool — check any domain's SPF, DKIM, and DMARC records at a glance • More reliable DNS Lookup — large record sets no longer get cut off (EDNS0 with automatic TCP fallback) • Refreshed app icon Plus the accessibility and readability improvements from our last update: • Full VoiceOver and Voice Control support, Reduce Motion, and improved contrast • New Text Size setting (System, Compact, Extra Compact) to fit more on screen • IPv6 addresses now stay on a single line for easier reading • Calculate: the prefix control now sits next to the address, leaving more room for results • Traceroute now shows every responding router on each hop • Fixed the keyboard covering fields in DNS Lookup, Ping, and Traceroute
Build 886935235v2.02026-06-16 04:07:46
Version 2.0 is a complete, ground-up rebuild of SubnetPlus: • Redesigned, faster interface built for the latest iOS • Full iPad support with a multi-column layout • A complete networking toolbox: IPv4/IPv6 subnet calculator, DNS Lookup, Ping, Traceroute, VLSM Designer, mask converter, supernet/aggregate, and more • Live results as you type, with one-tap copy • Save subnets, plans, and lookups — synced across your devices via iCloud • Now available in 45 languages Thanks for using SubnetPlus! We'd love your feedback.
Build 817970582v1.62016-07-02 01:35:10
This update from Apple will improve the functionality of this app. No new features are included. Bug Fixes
Build 814663815v1.52015-11-25 22:40:00
Fixed issues regarding Subnet Mask Display on the iPad and iPad Pro. It is much more Awesomer with all of the Bug Fixes!
Build 621603014v1.32015-11-16 21:06:05
Updated for iOS 9.1 Fixed truncation issue with binary and hex display on some devices. Happy Subnetting!
Build 339602682v1.22014-01-30 06:55:10
Fixed bug in iPad views that would truncate the subnet mask and wildcard views.
Build 294352632v1.12014-01-17 23:37:09
We have gone Universal. Your favorite subnet calculator now supports the iPad. We also killed a few bugs
Build 83613900v1.02013-10-30 22:45:02
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Availability 175 of 175 storefronts

RegionLanguagePriceRatingsAvgVersion
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KR koFree64.02.2
DE de-DEFree33.32.2
MX es-MXFree34.32.2
CN zh-Hans-CNFree25.02.2
NO en-GBFree25.02.2
RU ruFree25.02.2
AO en-GBFree15.02.2
BE en-GBFree14.02.2
BG en-GBFree15.02.2
BR pt-BRFree15.02.2
CZ en-GBFree15.02.2
EG en-GBFree15.02.2
FR fr-FRFree14.02.2
GB en-GBFree15.02.2
HR en-GBFree15.02.2
IN en-GBFree11.02.2
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Change log 13 changes · US

✎
releaseNotes updated
What's new in 2.2: Eight new tools, now organized into Calculators, Diagnostics, and Reference: • My Network — your device's network at a glance: local IP and
✎
description updated
Subnet Plus is a fast, beautiful subnet calculator for network engineers, sysadmins, and students — now completely rebuilt for iPhone and iPad. Type any IPv4 o
✎
subtitle updated
Network Toolkit
✎
name updated
Subnet Plus: Subnet Calculator
◆
Version 2.2 released
What's new in 2.2: Eight new tools, now organized into Calculators, Diagnostics, and Reference: • My Network — your device's network at a glance: local IP and subnet, DNS servers, gateway, Wi-Fi name, and public IP • Split Subnet — divide
◆
Version 2.1 released
What's new in this update: • New Email Authentication tool — check any domain's SPF, DKIM, and DMARC records at a glance • More reliable DNS Lookup — large record sets no longer get cut off (EDNS0 with automatic TCP fallback) • Refreshed a
◆
Version 2.0 released
Version 2.0 is a complete, ground-up rebuild of SubnetPlus: • Redesigned, faster interface built for the latest iOS • Full iPad support with a multi-column layout • A complete networking toolbox: IPv4/IPv6 subnet calculator, DNS Lookup, Pi
◆
Version 1.6 released
This update from Apple will improve the functionality of this app. No new features are included. Bug Fixes
◆
Version 1.5 released
Fixed issues regarding Subnet Mask Display on the iPad and iPad Pro. It is much more Awesomer with all of the Bug Fixes!
◆
Version 1.3 released
Updated for iOS 9.1 Fixed truncation issue with binary and hex display on some devices. Happy Subnetting!
◆
Version 1.2 released
Fixed bug in iPad views that would truncate the subnet mask and wildcard views.
◆
Version 1.1 released
We have gone Universal. Your favorite subnet calculator now supports the iPad. We also killed a few bugs
◆
Version 1.0 released
expanded screenshot