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Welcome to IPAddress.com

As the domain name implies this website is about IP addresses, but we have much more to offer. We provide IP Lookup tools, IP Geolocation, DNS queries, IP and Domain WHOIS Database lookups, Email Tracing and Verification tools, DNS Blacklist checks, a list of working proxy servers, a Proxy Checker tool, API services for developers, networking tools, helpful articles, and much more. Below you can find the selection of our most popular resources to start with. Go here to read more about IPAddress.com.

IP Address Tools

IPAddress.com offers a huge collection of tools that deal with with IP addresses, hostnames, domains, email addresses and your network connection. Our tool kit includes IP lookup, WHOIS lookup, a bandwidth meter, and much more. Below you will find a small selection of our most popular tools. For a complete list of what we have to offer please have a look at our sitemap.

• My IP Address

  Have a look at our My IP page if you want to find out what's your public IP address that's used to access the internet, and what information - including your current location - can be derived from it.

  What your IP address reveals about you

• IP Lookup, WHOIS Lookup, DNS Lookup, Reverse IP Lookup, and more

  Use our search function to find extensive information about every IP address, domain name or hostname. Results include but are not limited to DNS Resource Records, WHOIS database information, IP Address Geolocation, and many more.

  Start your search here

• Bandwidth Speed Test

  Test your internet connection speed using our bandwidth speed test here on IPAddress.com and verify if your ISP lives up to its promise.

  Test your internet speed

• Email Address Tracing

  Have you received an email from a suspicious or unknown sender? Let our email tracer tool scan the email headers to find out where the mail is coming from. Alternatively you can search for the sender's email address directly.

  Trace an email address sender

• Email Address Verification

  Is your address book full of outdated email address contacts? Use our email verification tool to find out if a specific email address exists and is accepting messages. References for bulk email address verification are also provided.

  Check an email addresses

• IP Address DNS Blacklist Check

  This tool lets you check an IP address against a multitude of DNSBL servers that are used by system administrators to block messages from systems that are suspected of sending spam.

  Find out if an IP address is blacklisted

• IP Subnet Calculator

  A subnet calculator for Classless Inter-Domain Routing. Find out the network address, broadcast address, and the subnet's CIDR notation easily.

  Use our subnet calculator

• Fresh Proxy List

  A freshly updated online proxy list to see the most recently checked proxies across the Internet.

  Find fresh proxies

• Proxy Checker Tool

  A fast proxy checker tool to test proxies and view the location, type, and IP address details.

  Test if a proxy server is working

IP Address API Services

Are you a developer and need to figure out a machine's external IP address or perform IP address to country mapping in your application? Then our free RESTful APIs might be exactly what you are looking for. They are fast, easy to use, and highly versatile by providing the results in a multitude of different formats.

• My IP API

  A free, simple, and easy to use API to query the public IP address in plain text, CSV, JSON, JSONP, XML, or YAML format.

  MY IP API description and sample code

• IP To Country API

  A free, simple, and easy to use API to resolve an IP address to continent and country in plain text, CSV, JSON, JSONP, XML, or YAML format.

  API documentation and sample code

IP Address Articles

Our IP professionals have compiled a vast collection of helpful articles about IP addresses, domains, hostnames, emails, and general networking topics. Start by choosing an article from the list below, or click here for the complete list of available articles.

• Your IP Address Is Blacklisted, Now What?

  Are you having trouble getting to websites or finding users can not visit your server? Maybe your IP is blacklisted!

  Read More

• What is an IP Address?

  Your IP address is your personal Internet phone number. Read more about why your IP is important.

  Read More

• How To Do A MAC Address Lookup

  Find out here in this article how to do a MAC Address Lookup on your computer or network hardware.

  Read More