# Show ASNumber

> Show information about the source AS Number of all visted sites.

Canonical page: [https://chrome-stats.com/d/show-asnumber](https://chrome-stats.com/d/show-asnumber)

## Overview

- **ID:** `show-asnumber`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** bauruine
- **Category:** other
- **Daily users:** 58
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 0.6.0
- **Last updated:** 2022-11-19
- **First published:** 2017-11-19
- **Size:** 23 KB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/show-asnumber/)
- **Website:** [https://github.com/bauruine/ASNumber](https://github.com/bauruine/ASNumber)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/show-asnumber/privacy/](https://addons.mozilla.org/firefox/addon/show-asnumber/privacy/)

## Description

Show ASNumber is a Firefox add-on that provides information about the source AS Number of all visited sites. It uses data from an API and allows users to also get information about an IP directly.

## Rankings

- #15,151 — Overall
- #28 — number
- #36 — show

## Permissions and access

### Permissions

- `webRequest`
- `<all_urls>`
- `storage`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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/show-asnumber)