Finally, a place that can gather IP addresses and associate them to specific security products to have them hacked later. Just what I've been waiting for.
Why do you think this is any easier than just scraping urls off the internet
I'm always surprised by the mindset of the person you're replying to.
I learned a few years ago from some DEFCON video[0] that someone had figured out a way to do a (basic) port scan of the whole internet in ~1 day (or something like that).
Thing is... it really shouldn't have been that surprising. Although network latency isn't getting that much better year by year (c = c), the amount of data you can process in bulk, correlate, etc. is ever-increasing.
[0] At least, I think that was the conference.
In fact, there's a tool that claims to scan the internet in 6 minutes: https://github.com/robertdavidgraham/masscan