# IP Calculator

> Calculate subnets, CIDR, and usable IP ranges.

Canonical page: [https://chrome-stats.com/d/ip-calc](https://chrome-stats.com/d/ip-calc)

## Overview

- **ID:** `ip-calc`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** pkdiv
- **Category:** web-development
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2026-02-04
- **First published:** 2026-02-04
- **Size:** 418 KB
- **Data as of:** 2026-10-01
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/ip-calc/)

## Description

A lightweight, offline-ready tool for network engineers and students. Instantly calculate network details for both IPv4 and IPv6 addresses.

Key Features:

IPv4 Support: Calculate CIDR, subnet masks, wildcard masks, usable host ranges, and broadcast

## Rankings

- #105,570 — Overall
- #105 — calculator
- #117 — calculus
- #147 — ip

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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