Threat Intelligence

Reverse IP Lookup

Find domains hosted on an IP

Discover all domains hosted on a specific IP address. Identify shared hosting, find related infrastructure, and assess hosting reputation.

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4B+
IPs Indexed
500M+
Domain Mappings
<500ms
Response Time
Daily
Updates

Key Features

Everything you need to protect your infrastructure and users

Domain Discovery

Find all domains pointing to a specific IP address.

Shared Hosting Detection

Identify if an IP is used for shared hosting.

Infrastructure Mapping

Map relationships between domains and hosting providers.

Threat Context

See if other domains on the IP are flagged as malicious.

Historical Data

View domains that previously pointed to the IP.

Bulk Lookups

Check multiple IPs in a single API request.

Use Cases

How security teams use this tool

Threat Hunting

Find related malicious domains sharing infrastructure.

Hosting Assessment

Evaluate the reputation of a hosting provider.

Brand Protection

Find phishing sites hosted on the same IP as legitimate ones.

Investigation

Discover attacker infrastructure during incident response.

Frequently Asked Questions

What is a reverse IP lookup?
Reverse IP lookup finds all domain names that resolve to a specific IP address, revealing websites sharing the same hosting infrastructure.
How many domains can be on one IP?
Shared hosting servers can have thousands of domains on a single IP. CDN IPs may have millions of domains.
Why is this useful for security?
If one domain on a shared IP is malicious, it may indicate the IP is used for malicious hosting. It also helps identify related infrastructure.
How current is the data?
We continuously scan DNS to keep our reverse IP database updated, with most popular IPs refreshed daily.

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