# IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)

IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is an External Attack Surface Management product. It runs on-premises. Pricing is free.

A network recon framework including tools for passive and active recon

Checked October 2026.

## What is IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)?

IVRE can use data from:

* Passive tools: Zeek Argus Nfdump p0f airodump-ng
* Active tools: Nmap Masscan ZGrab2 ZDNS Nuclei httpx dnsx tlsx Dismap

Overview
You can have a look at the project homepage, the screenshot gallery, and the quick video introduction for an overview of the Web interface.

Documentation
IVRE's documentation is hosted by Read The Docs, based on files from the doc/ directory of the repository.

License
IVRE is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

Tags: Network Discovery, Network Scanning

## Where it fits in your security program (NIST CSF 2.0)

- [Identify](https://cybersectools.com/guides/building-identify-program-small-team): helps you know your assets and your risks.
- [Detect](https://cybersectools.com/guides/building-detect-program-small-team): helps you spot attacks and unusual activity.

## Quick facts

- Category: [Exposure & Vulnerability Management](https://cybersectools.com/categories/exposure-vulnerability-management) · [External Attack Surface Management](https://cybersectools.com/categories/external-asm)
- Deployment: On-Premises
- Company size fit: Mid-Market, Enterprise
- Pricing model: Free
- GitHub stars: 3,964
- Website: github.com

## Where it ranks

IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is not a pick on the current [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions).

## IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) FAQ

### What is IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)?

IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is a product in the External Attack Surface Management category. It covers Network Discovery and Network Scanning.

### What is the pricing for IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)?

IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is free. Download and setup instructions are at https://github.com/ivre/ivre/.

### What are alternatives to IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)?

Alternatives to IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) listed on CybersecTools:

1. [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) - Fast Certificate Transparency search and JSON API for subdomain reconnaissance. (Commercial)
2. [ArmorPoint Attack Surface Management](https://cybersectools.com/tools/armorpoint-attack-surface-management) - Continuous, agentless discovery and threat-intel enrichment of external internet-facing (Commercial)
3. [Driftnet Explore](https://cybersectools.com/tools/driftnet-explore) - Internet-wide scanning platform for discovering exposed devices, services (Commercial)
4. [Censys Attack Surface Management](https://cybersectools.com/tools/censys-attack-surface-management) - Internet intelligence platform for asset discovery and attack surface mapping (Commercial)
5. [Trickest ASM - Attack Surface Management](https://cybersectools.com/tools/trickest-asm-attack-surface-management) - Customizable ASM platform for asset discovery, monitoring, and enrichment (Commercial)

Compare all IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) alternatives at [https://cybersectools.com/alternatives/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks](https://cybersectools.com/alternatives/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks)

### What deployment and organization size does IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) fit?

IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is available as on-premises software. It is listed for mid-market companies and enterprises. It is free.

## Compare IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) with similar solutions

- [IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) vs ctlogs.dev](https://cybersectools.com/compare/ctlogsdev-vs-ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks)
- [IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks)
- [IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) vs Driftnet Explore](https://cybersectools.com/compare/driftnet-explore-vs-ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks)

All alternatives to IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks): [/alternatives/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks](https://cybersectools.com/alternatives/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks)

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Source: https://cybersectools.com/tools/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks

For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any compare page has a Markdown copy too (add .md to its URL).

More on IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks): funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=product-md
