Reverse IP Lookup API

Find all domains resolving to a specific IP address. Essential for discovering shared hosting neighbors, identifying related websites, and analyzing hosting infrastructure.

Start for Free
Try it now - no signup required:
curl "https://domscan.net/v1/reverse/ip?ip=93.184.216.34"

Example Response

{
  "ip": "93.184.216.34",
  "domain_count": 1,
  "domains": [
    "example.com"
  ],
  "hosting_provider": "Edgecast",
  "asn": "AS15133",
  "asn_name": "Edgecast Inc.",
  "is_shared_hosting": false,
  "ptr_record": "93.184.216.34.in-addr.arpa",
  "geolocation": {
    "country": "US",
    "region": "California",
    "city": "Los Angeles"
  }
}

Key Features

Domain Discovery

Find all websites hosted on a specific IP.

Shared Hosting Detection

Identify if IP is shared hosting vs dedicated.

Hosting Provider ID

Identify the hosting company and ASN.

Neighbor Analysis

Discover potentially related or risky neighbors.

PTR Record Lookup

Get reverse DNS pointer record.

Geolocation Data

Physical location of the hosting server.

ASN Information

Autonomous System details for network analysis.

Security Assessment

Evaluate hosting neighborhood reputation.

Frequently Asked Questions

What is reverse IP lookup?

Reverse IP lookup finds all domain names that resolve to (are hosted on) a specific IP address, the opposite of normal DNS lookup.

Why would I use this?

Common uses: security research, competitive analysis, finding related domains, assessing shared hosting risks, and investigating suspicious IPs.

How accurate is the domain list?

We maintain high accuracy through continuous DNS monitoring. Note that domains using CDNs may appear on multiple IPs.

Do you support IPv6?

Yes, both IPv4 and IPv6 addresses are supported for reverse lookup.

Reverse IP Lookup

Start for free with 10,000 credits per month. Start checking domains in seconds.

View Full API Documentation