Censys Search

Explore the Internet
with Censys Search

Quickly look up hosts, services, and infrastructure across the global Internet. The Censys Platform gives security teams continuous visibility into adversary threats and vulnerabilities.

The Trusted Source for
Internet Infrastructure Intelligence

Look Up Any Host on the Internet

Search Internet-facing infrastructure across ports and protocols to identify hosts, review observed services, and quickly gather context during investigations.

Understand the Services It’s Running

Censys fingerprints help explain what’s running on a system, revealing software versions, hardware manufacturers, and known vulnerabilities with CVE context.

Investigate Certificates and Related Infrastructure

Search the largest continuously updated database of publicly observed X.509 certificates to investigate certificate details and uncover related hosts or infrastructure.

Search Internet-facing infrastructure across ports and protocols to identify hosts, review observed services, and quickly gather context during investigations.

Censys fingerprints help explain what’s running on a system, revealing software versions, hardware manufacturers, and known vulnerabilities with CVE context.

Search the largest continuously updated database of publicly observed X.509 certificates to investigate certificate details and uncover related hosts or infrastructure.

Explore the Full Censys Platform

Experience Censys Data in Action

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