Look up tool to see if a site is hosted on a public cloud provider by seeing if the DNS records for a host name
resolve to an IP space know to belong to a cloud provider. Results can also be returned as JSON, see
here.
Results can also be fetched as JSON. Example:
List of currently checked cloud providers
Linode
- Across 3523 known ranges
AWS
- Across 12223 known ranges
Fastly
- Across 21 known ranges
Azure
- Across 49881 known ranges
ASN details provided by
Ripe. Volunteer and
help out with a probe!