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Censys Expands Scanning, Faces Misuse Challenges and Frustrations

9/3/2025

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Summary

Story summary

Censys Inc. has expanded its internet scanning capabilities to 794 million IPv4 services, up from 275 million in 2015.
The company encounters issues with state actors misusing its services as academic research.
To address misuse, Censys has established strict evaluation criteria for research requests.
This process has resulted in frustrations, including abusive communications from certain researchers.

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Story summary

Censys Inc. has expanded its internet scanning capabilities to 794 million IPv4 services, up from 275 million in 2015.
The company encounters issues with state actors misusing its services as academic research.
To address misuse, Censys has established strict evaluation criteria for research requests.
This process has resulted in frustrations, including abusive communications from certain researchers.