Project Sonar from Rapid7 conducts internet-wide surveys and is kind enough to share the data with researchers: https://www.rapid7.com/research/project-sonar/
On Sun, Jun 19, 2022 at 10:24 PM Mark Seiden <m...@seiden.com> wrote: > btw, if you want to do this yourself, you might consider using something > like > > https://github.com/opsdisk/scantron > -- Amreesh Phokeer