Hey This is a Fantastic Tool which Uses Censys API to fetch IP address from the depth of internet..
These are the Requirements:
pip install censys
sudo apt install jq
go install -v github.com/tomnomnom/anew@latest
git clone https://github.com/rahul-verma1/Censys-Recon.git
cd Censys-Recon
chmod +x recon.sh
./recon.sh
Paste the above commands in bash Shell Termminal
One more thing to do here:
Create a free account on search.censys.io and login, Then Go on profile > API section
Type censys config in terminal and fill you API key and API secret from the website
Now you are all done Just type ./recon.sh hackerone.com and the input will by default saved in iplist.txt
If you have any questions you can ask me at my twitter handle: https://twitter.com/mehul_vrma