Reverse IP Lookup API
Get a list of domains that share the same IP address.
347,302,128 domains in database
We return domains ranked by our proprietary rank indicator, which rates domains in terms of traffic
popularity, backlinks strength, domain age and other factors.
Domains are also tagged with additional information, such as website category, social media contact and other useful data.
Try out our Reverse IP Lookup Tool
Please enter an IP address in the search form below to get the number of domains on this IP address and a selection of domains sharing this IP.
Easy integrationDetailed API documentation allows you to quickly and easily integrate our API into your applications and projects.
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Fast and scalableWe offer fast API response and can provide you with scalable service for special projects with higher demands.
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Our APIs can be used in a wide range of use cases, including acquiring marketing leads, cybersecurity, penetration testing, threat intelligence, web host risks, identifying new leads from visitors and many others
Use our tools to identify new potential leads, analyse risks associated with your current host provider.
Analyse the range of IPs used in potential security incidents or for penetration testing.
Improve your SEO by analysing your competitors domains and their backlinks.
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What is an IP address and how does reverse IP Lookup work?
An IP address is a numerical label that's connected to a computer network that uses the Internet Protocol for communication. An IP address has two main functions: network interface identification and location addressing.
There are two versions of IP: IPv4 and IPv6. The older version, IPv4, defines an IP address as a 32-bit number. IPv6, however, increases the amount of data in an IP address from 32 bits to 128 bits. This change was made because the world was running out of available IPv4 addresses (seriously).
IP addresses are written in human-readable form, like 192.0.2.1 for IPv4, and 2001:db8:0:1234:0:567:8:1 for IPv6. IP addresses allow devices to communicate with each other and share data. The domain name system (DNS) translates domain names into IP addresses.
To find the IP address for a domain, you can use the ping command in the MacOS Terminal application or the Windows Command Prompt. First, identify the domain you want to look up. Then, open your terminal application and type "ping" followed by that domain name: ping [domain name] This will give you the IP address.
When you type in the name of a website in your browser, such as "google.com", the browser connects to a DNS server, which looks up the corresponding IP address for that domain name and returns it to your browser.
Do you ever wonder what the IP address of your computer is?
It's actually easier to find out than you might think!
First, open up your command line. On Windows computers, press the Windows button and type "cmd." On Macs, press Command+Space to open Spotlight search, then type "terminal." On Linux machines, you can use several different methods: Press Ctrl+Alt+T to open the default terminal emulator (if you're using GNOME), or open the Terminal app from the Applications menu.
Once you've opened your terminal, type in ipconfig on Windows or ifconfig on Mac or Linux. This will display your IP address, among other details.
If you do not see an address listed next to "IPv4 Address," try entering ipconfig /all instead. If that doesn't work either, look for an entry called "Wireless LAN adapter" and expand it by clicking the small arrow next to it. This should display the IPv4 Address of your wireless connection.