Below are a series of example queries:
Hosts in 23.0.0.0/8 and 8.8.8.0/24:
Telnet and FTP hosts in Germany:
Popular websites without browser trusted certificates:
Popular websites that use Apache and support HTTPS:
Mozilla NSS trusted intermediate CAs:
Industrial Control Systems in the United States:
Hosts in ASes that contain word University:
1000–1010th most popular site per Alexa Top Million:
Trusted certificates for Github.com: