# NET tools PRO: VLSM Calculator

> Fast VLSM & Subnet Calculator, IP CIDR tools and Network Diagnostics for IT pros

Canonical page: [https://chrome-stats.com/d/com.tetraodon.nettools](https://chrome-stats.com/d/com.tetraodon.nettools)

## Overview

- **ID:** `com.tetraodon.nettools`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** tetra-o-don
- **Category:** TOOLS
- **Downloads:** 44
- **Version:** 1.0.1
- **Last updated:** 2026-04-10
- **First published:** 2026-04-10
- **Publisher country:** GR
- **Size:** 24 MB
- **Data as of:** 2026-09-16
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.tetraodon.nettools)
- **Website:** [https://tetraodonapps.blogspot.com/](https://tetraodonapps.blogspot.com/)
- **Privacy policy:** [https://tetraodonapps.blogspot.com/p/netprivacy.html](https://tetraodonapps.blogspot.com/p/netprivacy.html)

## Description

NET tools PRO:The Swiss Army Knife for every Network Engineer &amp; IT Student.<br><br>Stop jumping between a dozen different apps. NET tools PRO centralizes all critical network management and calculation tools into one high-speed, professional environment. Built for those who demand precision in the server room and efficiency in the classroom.<br><br>### WHY CHOOSE NET tools PRO?<br><br>🚀 Advanced Calculators<br><br>VLSM Calculator: Design complex network topologies in seconds. Calculate subnets, masks, and IP ranges with zero errors.<br><br>Subnetting Toolkit: Fast CIDR calculations for instant router and switch configuration.<br><br>Base Converter: Seamlessly convert between Binary, Decimal, and Hexadecimal to master IP structures.<br><br>🔍 Professional Diagnostics<br><br>Real-time Ping &amp; Traceroute: Identify latency and path issues with live visual graphs.<br><br>Port Scanner: Audit your network security by identifying open ports and services.<br><br>WiFi Analyzer: Analyze signal strength and channel interference for optimal wireless performance.<br><br>📚 Essential Reference Library<br><br>Wiring Diagrams: Detailed guides for T568A, T568B, and Crossover cabling.<br><br>OUI Lookup: Instantly identify hardware manufacturers via MAC address lookup.<br><br>Default Passwords: A comprehensive database of default credentials for hundreds of router models.<br><br>### PRO-GRADE FEATURES<br><br>Clean &amp; Dark UI: Professional design optimized for long night shifts in the datacenter.<br><br>Offline Ready: Most tools work without an internet connection – perfect for isolated environments.<br><br>Ad-Free Options: Unlock Pro features with a single rewarded video and enjoy an uninterrupted experience.<br><br>Whether you are preparing for Cisco (CCNA/CCNP) exams or managing a global enterprise infrastructure, NET tools PRO is your reliable partner.<br><br>Download today and upgrade your networking workflow!

## Rankings

- #2,305,746 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.CHANGE_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.WAKE_LOCK`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.gms.permission.AD_ID`
- `com.tetraodon.nettools.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.tetraodon.nettools)