SpyOnWeb

research tool

Check out our API

We take the information from public sources, then structure it for your quick and convenient search for the websites that probably belong to the same owner.

112,995,456 Unique Domains
10,334,976 Unique IP Addresses
4,583,168 Unique Nameservers
7,989,632 Unique Analytics IDs
1,231,616 Unique Adsense IDs