check my ip address

This is one of the most popular tools to find out the owner, internet provider and location of any website, domain or IP address. Checking IP addresses is useful for locating the origin of unwanted emails or the source of spam, virus and port attacks. This tool will show you all registered WHOIS contact data worldwide including names, postal address and email addresses of the domain owner and the company operating the associated server or providing the dynamic IP address of private internet users. Try it out!

Why should I care about my IP Address?

While browsing the internet or sending an email your IPAddress can be used to locate your computer and disclose your identity While this is usually not a problem, there are cases where you would prefer not to be identified. For example you may not be happy with the fact that your employer has a complete record of all the websites you visited, or if you live in China, Iran or other contries that do not respect freedom of speech, protecting your privacy is of utmost importance. The IP Address is also needed for other internet services, such as Remote Control, Voice over IP (VoIP), setting up firewalls, Geolocation, and most importantly for testing and diagnostic purposes.

A website solely dedicated to one´s IP Address? Are you kidding?

Most people think of the internet as surfing, downloading and mail, period. They simply use their internet connection to access some outside services. But imagine what could be done if you reverse the direction: Accessing your computer (or network) from the outside world will eventually open up a whole set of exciting new possibilities, like sharing data with customers and suppliers, IP telephony, video conferencing, remote control or working abroad, monitoring and controlling your premises and much more. All of these services need to access your computer or firewall by using its internet IP address as a doorway. Even if you don’t become excited about these possibilities, rest assured that many others are! Marketing companies geolocate your ip address, track your browsing habits with cookies or spyware and hackers are running robots to locate unsecured PCs. So this website will be dedicated to everything that could be done by accessing this doorway (your IP address), including important questions of security and privacy that will inevitably arise. If this sounds interesting, stay tuned!

What is an IP Address, anyway?

IP addresses are used to transfer information across the internet. If you type www.ibm.com into your browser, your computer resolves this friendly name into the equivalent IP Address of IBM’s webserver, and then retrieves their homepage using this IP address. While you are connected to the internet, you are assigned a unique IP address as well, which is shown at the top of this page. IP addresses are defined in the TCP/IP protocol family, which is the basic technical foundation of the internet.

My IP address seems to be wrong, how can that be?

The IP address shown on this site is always the correct internet address, which is seen by all webservers and hosts you visit. If your computer has a network card and is connected to other PCs at your site, then you have a second, local IP address which is different from the internet address of your DUN connection or your firewall or router, which substitute all internal addresses with a true internet IP address. You can find out your local IP address with checkip.

What is a DNS name?

DNS stands for domain name service. It can be thought of as a large, distributed database, containing all internet domain names and hosts, such as www.mywebsite.com. The reason for using DNS names instead of IP addresses is simple: meaningful names are much easier to deal with by human beings than numbers, such 212.202.126.70 If you are using a Dialin or DSL connection to your provider, the DNS name shown is probably a somewhat cryptic name, which is used by your provider internally to organize and manage the numerous dialin ports.

Who owns a domain name?

Domain names are like trademarks: competitive names are valuable and much sought-after. They are basically given on a first-come first-serve basis by international organizations, such as ICANN, DENIC, and several local organizations responsible for one ore more top level domains, such as .com, .gov, .de, .info and so on. The mechanism to query the current, registered owner of a domain name is called WHOIS. Type in any domain name, such as www.mycompetitor.com or any ip address to find out the legitimate owner.

What is a Block List?

In an attempt to fight spam, several organizations began building black lists in order to ban domain names or IP address ranges that were accursed to be involved in unwanted practices. Many large organizations use these block lists to filter incoming emails. If you notice that some of your emails consistently fail to reach specific recipients and you verified the email address for validity, check if your IP address is blocked and, if so, talk to your provider to rectify the situation. If this happens more than once, get yourself another, better provider.

Check My ip® is the industry leader in providing IP address information. We provide IP address tools, Internet Speed Test, IP Address Lookup, IP WHOIS Lookup, IP Address Hostname Lookup, Server Headers Check, Email Header Analyzer, Blacklist Check, Traceroute, User Agent Info, DNS Lookup, Reverse DNS Lookup, Proxy Check.

All IP Addresses starting with: 104


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Why do you need geolocation?

Pairing of IP address to a geographical location is called geolocation. There are times when you need to identify where your web visitors are coming from. You might have an ecommerce website, and would like to know where your potential customers are, pre-populate country code on forms, display different language and reduce credit card fraud based on geographic location. Or, you might want to fight against illegal spammers and hackers, and would like to locate source of a problem.

What is IP-based Geolocation?

IP-based Geolocation is mapping of an IP address or MAC address to the real-world geographic location of an Internet connected to a computing device or mobile device. Geolocation involves in mapping IP address to the country, region (city), latitude/longitude, ISP and domain name among other useful things.

Where can I get a IP-based Geolocation database?

There are a number of commercially available geolocation databases, and their pricing and accuracy may vary. Ip2location, MaxMind, Tamo Soft and IPligence offer a fee based databases that can be easily integrated into an web application. Most geolocation database vendors offers APIs and example codes (in ASP, PHP, .NET and Java programming languages) that can be used to retrieve geolocation data from the database. We use Ip2Location database to offer a free geolocation data on our website.