Reverse IP Lookup
Find the other domains and websites hosted on the same IP address or server. Enter an IP or a domain. Fast, free and nothing is stored.
About reverse IP lookups
One IP address often hosts many websites — that is how shared hosting, VPS panels and CDNs work. A reverse IP lookup reveals the neighbour domains that resolve to the same address, which is useful for reconnaissance, finding all the sites a company runs, estimating how crowded a shared server is, or investigating a suspicious host. Results are best-effort and sampled from public data, and sites behind large CDNs will share the CDN's addresses rather than their own.
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Frequently asked questions
What is a reverse IP lookup?
A normal DNS lookup turns a domain into an IP. A reverse IP lookup does the opposite kind of job — it lists the other domains and websites that share the same IP address or server. It is handy for recon, finding a client's other sites, or spotting crowded shared hosting.
Why would two sites share one IP?
Most websites run on shared hosting or behind a CDN/reverse proxy, so one IP commonly serves many domains. Seeing lots of unrelated sites on an IP usually just means shared hosting, not that they are related.
Is the list always complete?
No. Reverse-IP data is best-effort: sites behind big CDNs (e.g. Cloudflare) all share the CDN's IPs, and some domains are never indexed, so the list is a sample rather than a guaranteed full inventory.
Can I enter a domain instead of an IP?
Yes. Enter a domain and it is resolved to its IP first, then the other domains on that IP are listed. You can find an IP with the IP Lookup or the records with the DNS Lookup.
Do you store what I look up?
Results are briefly cached so the tool stays fast and within the data source's limits, and nothing is tied to you. It is a read-only recon/diagnostics helper.