Censys Internet Map vs ctlogs.dev: Side-by-Side Comparison (2026)

Censys Internet Map: Internet intelligence platform for asset discovery and attack surface mapping. built by Censys..

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..

Both serve the External Attack Surface Management market but differ in approach, feature depth, and target audience.

Censys Internet Map is developed by Censys. ctlogs.dev is developed by Apps34. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Censys Internet Map and ctlogs.dev serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools, both cover Reconnaissance. Review the feature comparison above to determine which fits your requirements.