as3nt vs ctlogs.dev: side-by-side comparison (2026)
as3nt is a free external attack surface management solution. ctlogs.dev is a commercial external attack surface management solution by Apps34. Features, integrations, deployment and the company behind each one, side by side.
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A tool for enumerating subdomains of a given domain
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
Side-by-side comparison
Feature
as3nt
ctlogs.dev
Pricing model
Free
Commercial
Category
External Attack Surface Management
External Attack Surface Management
Deployment and fit
Deployment type
On-Premises
Cloud
Company size fit
Startup, SMB, Mid-Market, Enterprise
Startup
Open source
GitHub stars
12
–
Last commit
Oct 2022
–
Company
Company
–
Apps34
Use cases and capabilities
Security Research
Yes
No
Subdomain Enumeration
Yes
Yes
Reconnaissance
No
Yes
OSINT
No
Yes
SSL
No
Yes
TLS
No
Yes
REST API
No
Yes
Cyber Threat Intelligence
No
Yes
DNS Security
No
Yes
Attack Detection
No
Yes
Core features
No features listed
- 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
No integrations listed
REST API
cURL
Python
JSON
Webhooks
SIEM
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