How to Find and Verify an Online Person's and an Email Sender's IP Address?

IP Address Confirmation

The Best Ways of Verifying Your Customer's IP Address and Hostname

IP addresses consist of an integral part in any form of corporate network. Big or small companies are quickly taking in more applications as well as more devices. The importance of getting IP address cannot be overemphasized and any reason not to, can prove disastrous.

Due to the fact that it is a unique identifier, it enables computers to transmit information to and fro from specific computers in a given network.

What is an IP address?

Let's explore the concept. No doubt you must have heard of an "IP address." The acronym stands for Internet Protocol address. What does that mean? It is simply a set of rules that thoroughly governs the Internet activity and is designed to allow one computer or device communicate with another via the Internet.

An IP address is a fascinating product of modern computer technology. It is a numerical label that is assigned to each device which could be a computer, printer, etc. in a network that uses the Internet Protocol for communication.

Its unique feature enables the location of virtually billions of digital devices that are connected to the internet to be handpicked and easily differentiated. In the same sense that someone needs your mailing address to send you a letter, a remote computer also requires your IP address to communicate with your computer.

This address, known as "IP address" is a code made up four numbers (which ranges from 0 to 255) in which each contains one to three digits, with a single dot (.) separating each number that identifies a particular computer on the Internet.

Here's an example of what an IP address might look like:

It serves two principal functions:

  • Host or network interface identification
  • Location addressing

What makes it different from a hostname?

A hostname is a uniquely Qualified Domain Name that absolutely names a computer. Hostname consists of the host name and the domain name. The domain name is usually one or more domain labels that place the computer in the DNS naming hierarchy.

What are the different IP address types?

IP addresses are sub-divided into: IP Version 4 (IPv4) and IP Version 6 (IPv6).

They both have a unique way of differentiating an IP. Due to its potential prevalence, the term IP address still refers to the addresses defined by IPv4. For IPv4, an address consists of 32 bits which limit the address space to 4294967296 (232) possible unique addresses. IPv6 addresses do not need to be configured manually.

Uses of an IP

The Internet Protocol (IP) is responsible for addressing hosts. It's also responsible for routing datagrams (packets) from a source host to a destination host which is across one or more IP networks. For this course, the Internet Protocol unveils format of packets and provides a system that has basically two functions:

  • Identifying hosts
  • Providing a logical location service

Why do you need to know your customers real and confirmed IP address?

Any type of device that is connected to the Internet definitely has a unique Internet Protocol (IP) address. Among other things, IP addresses ensure that computers from different networks find each other. In as much as it's very vital for any type of Internet-based activities, it's not uncommon that a user doesn't have an idea of his computer's IP address or even its use.

Proxy Servers

A proxy server is a system that simply acts as an intermediate between the user's computer and the Internet. Clients can get connected to other network services through indirect network connections. Client computers will first connect to the proxy server requesting some resources like web pages, games, etc. or any other resource available from various servers.

These days, proxy server serves a lot of purposes which includes:

  • Sharing Internet connections on a local area network (LAN)
  • Hiding our IP address
  • Implementing Internet access control
  • Accessing blocked websites

It can also hide the IP address of the client's computer for security reasons. It shares Internet connection on a LAN and consequently speeds up Internet surfing.

Why popular emails usually hide their real IP address of a sender?

When an email is sent, it's most likely traceable because the email server embeds the sender IP address into the headers (which is hidden by default) automatically.

To view the email headers in Gmail, click the down arrow next to Reply icon and select Show Original. This will open a new window which will show the message headers.

Gmail has always been hiding IP addresses for quite some time now. Hotmail, Outlook, and Yahoo have started theirs too. Hiding the originating IP from being visible helps protect against attackers or phishing attackers. These attackers can gain knowledge of the internal network of companies by trying to find out IP addresses of different employees from the 'auto' mail replies.

Take an example, a user sending email from a small office or from home. Firstly, the public IP could be used to track them from sourcing IP of requests in web logs. In other words, not adding this data is solely a great step towards protecting users' privacy.

IP addresses can be said to be one of the most critical resources needed to be managed on any network. Every form of networked application and device ranging from e-mail and Web connectivity to file storage and networked printers, are all dependable on an IP and requires address assignment.

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