How to Find What Company Has a Certain IP Address
IP addresses uniquely identify a server or computer on the Internet. IP addresses can also be registered to a domain name of a website through a domain registry company. Companies purchase ranges of IP address, both to connect to the Internet with and to host company web pages. These IP addresses are officially registered to ensure that no two people attempt to use the same IP address; such registries are publicly available and searchable.
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Instructions
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Navigate your browser to the ARIN: Who Is? website.
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Enter the IP Address in the text box underneath "Search ARIN WHOIS for: ?"
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Click the "Submit Query" button.
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Click on the result that matches the IP address for details on the owner of that IP address or range of IP addresses. If there are multiple entries check the details page for which one is the current owner of the IP address.
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