John Matherly

Websites and other services are increasingly behaving differently depending on where the end-user is located (ex. European users might get a different website IP than users connecting from the US). We needed a way to more efficiently test connectivity and other network-related issues from different vantage points around the world. We created the GeoNet API to help run commands such as "ping"...

Shodan was originally designed as a tool to understand how technology use is changing on the Internet. The information collected from the Shodan crawlers would be able to provide users with a data-driven view of what the Internet looks like; i.e. not based on surveys or sampling of popular websites. Which FTP software is most popular? How quickly is my hosting provider patching services? Which...

The most common answer we got from users was "Do I have anything exposed to the Internet?". We already had a website/ API to let users search but it required a bit more technical knowledge than realistically should be needed to answer that basic question. We developed Shodan Monitor as a solution to help people and organizations easily get notified if anything unexpected gets exposed to the...

If anybody has any questions about the website I'd be happy to answer them!