# aws_public_ips vs ctlogs.dev: side-by-side comparison (2026)

[aws_public_ips](https://cybersectools.com/tools/awspublicips) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. [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). 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

| | aws_public_ips | ctlogs.dev |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | No | Verified |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup |
| GitHub stars | 642 | – |
| Last commit | Nov 2019 | – |
| Company | – | Apps34 |
| Headquarters | – | – |

### Use cases and capabilities

| | aws_public_ips | ctlogs.dev |
|---|---|---|
| Enumeration | Yes | – |
| AWS | Yes | – |
| IP Address | Yes | – |
| Reconnaissance | – | Yes |
| OSINT | – | Yes |
| SSL | – | Yes |
| TLS | – | Yes |
| REST API | – | Yes |
| Cyber Threat Intelligence | – | Yes |
| DNS Security | – | Yes |
| Attack Detection | – | Yes |
| Subdomain Enumeration | – | Yes |

### Core features

**aws_public_ips**

No features listed.

**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

### Integrations

**aws_public_ips**

No integrations listed.

**ctlogs.dev**

- REST API
- cURL
- Python
- JSON
- Webhooks
- SIEM

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [aws_public_ips](https://cybersectools.com/tools/awspublicips) fits if you are a small business or a mid-market company or an enterprise, you need a free product and you want an open-source product.

## aws_public_ips vs ctlogs.dev FAQ

Common questions when comparing aws_public_ips vs ctlogs.dev for external attack surface management.

### What is the difference between aws_public_ips and ctlogs.dev?

**aws_public_ips**: A Ruby-based tool that enumerates all public IPv4 and IPv6 addresses associated with an AWS account across multiple services including EC2, CloudFront, ELB, RDS, and others.

**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.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes aws_public_ips and ctlogs.dev?

**aws_public_ips** is open-source with 642 GitHub stars. **ctlogs.dev** is made by Apps34. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is aws_public_ips a good alternative to ctlogs.dev?

Often, yes. aws_public_ips and ctlogs.dev are both External Attack Surface Management products. Key differences: aws_public_ips is Free while ctlogs.dev is Commercial, aws_public_ips is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [aws_public_ips vs SurfaceDiff](https://cybersectools.com/compare/awspublicips-vs-surfacediff)
- [aws_public_ips vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-awspublicips)
- [aws_public_ips vs MGM Security Partners recon me](https://cybersectools.com/compare/awspublicips-vs-mgm-security-partners-recon-me)
- [ctlogs.dev vs SurfaceDiff](https://cybersectools.com/compare/ctlogsdev-vs-surfacediff)
- [ctlogs.dev vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-ctlogsdev)
- [ctlogs.dev vs MGM Security Partners recon me](https://cybersectools.com/compare/ctlogsdev-vs-mgm-security-partners-recon-me)

## Alternatives to each

- [See all aws_public_ips alternatives](https://cybersectools.com/alternatives/awspublicips)
- [See all ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev)

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Source: https://cybersectools.com/compare/awspublicips-vs-ctlogsdev

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More on aws_public_ips and ctlogs.dev: 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