# ctlogs.dev vs IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks): side-by-side comparison (2026) [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Apps34](https://cybersectools.com/companies/apps34). [IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)](https://cybersectools.com/tools/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more. ## Side-by-side comparison | | ctlogs.dev | IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) | |---|---|---| | Pricing model | Commercial | Free | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | Verified | No | | Deployment type | Cloud | On-Premises | | Company size fit | Startup | Mid-Market, Enterprise | | GitHub stars | – | 3,964 | | Last commit | – | Feb 2026 | | Company | Apps34 | – | | Headquarters | – | – | ### Use cases and capabilities | | ctlogs.dev | IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) | |---|---|---| | Reconnaissance | Yes | – | | OSINT | Yes | – | | SSL | Yes | – | | TLS | Yes | – | | REST API | Yes | – | | Cyber Threat Intelligence | Yes | – | | DNS Security | Yes | – | | Attack Detection | Yes | – | | Subdomain Enumeration | Yes | – | | Network Discovery | – | Yes | | Network Scanning | – | Yes | ### Core features **ctlogs.dev** - Real-time Certificate Transparency Search - Automated Subdomain Enumeration - High-Performance REST JSON API - Wildcard & Fingerprint Matching - SSL/TLS Certificate History Tracking - Attack Surface Mapping - Historical Log Archiving - Instant Domain & Issuer Filtering **IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)** No features listed. ### Integrations **ctlogs.dev** - REST API - cURL - Python - JSON - Webhooks - SIEM **IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) fits if you want a cloud product and you are a startup. - [IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)](https://cybersectools.com/tools/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks) fits if you need to run it on your own servers, you are a mid-market company or an enterprise, you need a free product and you want an open-source product. ## ctlogs.dev vs IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) FAQ Common questions when comparing ctlogs.dev vs IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) for external attack surface management. ### What is the difference between ctlogs.dev and IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)? **ctlogs.dev**: Fast Certificate Transparency search and JSON API for subdomain reconnaissance. Built by Apps34. Core capabilities include Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API. **IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)**: A network recon framework including tools for passive and active recon. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes ctlogs.dev and IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)? **ctlogs.dev** is made by Apps34. **IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)** is open-source with 3,964 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is ctlogs.dev a good alternative to IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)? Often, yes. ctlogs.dev and IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) are both External Attack Surface Management products. Key differences: ctlogs.dev is Commercial while IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is Free, IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [ctlogs.dev vs SurfaceDiff](https://cybersectools.com/compare/ctlogsdev-vs-surfacediff) - [ctlogs.dev vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-ctlogsdev) - [ctlogs.dev vs Driftnet Explore](https://cybersectools.com/compare/ctlogsdev-vs-driftnet-explore) - [IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) vs SurfaceDiff](https://cybersectools.com/compare/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks-vs-surfacediff) - [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) ## Alternatives to each - [See all ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev) - [See all IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) alternatives](https://cybersectools.com/alternatives/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks) --- Source: https://cybersectools.com/compare/ctlogsdev-vs-ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/ctlogsdev.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on ctlogs.dev and 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=compare-md