How to find your own ip adress

At that level, therefore, the most reliable answer is to run. MS : another simple-minded option, if you are connected to the internet. RLE : The above statement should say: "if you are connected to the internet with a route-able IP address. For anyone behind a NAT gateway, this gives the address of the local Ethernet interface, not the globally route-able IP.

If the IP of interest is actually the local machine's IP, it works perfectly. But more often the IP address desired is the internet visible IP, not the local machine's IP, and those two are not always the same value. Usually you want to know which IP address will be used when contacting a certain host. The next piece of code actually seems to work on linux even if the remote port is not accessible or, more amazing, if the remote host doesn't exist. Again, this is not a general solution because it doesn't work on solaris which of course is where I needed it!

For a non-existing host or port it just returns 0. A modification to find the publicly addressable IP of your machine:. Depending on your setup, this procedure may take up to six minutes to complete DNS timeout and route timeout for eleven servers. For me it typically takes a fraction of a second. Likely you want to know all your IP addresses, not just the one the whole world knows about. This works nattily on Solaris and Linux , and some poor sod might extend it to work on windoze:. DKF : That info is probably available through the ipconfig program, though I've no idea what it returns on machines with multiple network addresses.

Later, I didn't work on this anymore because I wanted to use a better method. The dns package looked promising. Mike Tuxford adds Similar to the ifConfig proc above for Linux, when you know the location ifconfig and only need one interface IP, which is perhaps the most common case, the below should work.

FW : Or, to see what IP your machine is seen from the outside, do some web scraping :. A problem with some of the above solutions is that they rely on parsing the output of some other program and hence will not work on localized operating systems. Plus, it just doesn't feel clean. Parsing ipconfig is iffy, has no guarantees with multihomed machines including those with virtual NICs. Fortunately, on XP-class Windows boxen, it's actually much easier to do it the internal way.

Via twapi or ffidl, you can hit a couple of Windows APIs; one that will tell you the IP address of a specific interface, and another that will work out the interface for a given route. We recommend using the site ip4. Just visit the site and it will show you your public IP address. This page displays your public IP address and other information about your Internet connection. Different routers have different administration page layouts and different default local IP addresses.

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If you only have time for a quick glance, here is our list of the best IP address scanner and tracker tools:. How to find IP addresses on a network: In order to get a list of the IP addresses of all of the devices connected to your network , follow these steps:. This will give you a bare list of IP addresses , but then you will need to utilize other tools in order to investigate further or troubleshoot network problems.

In this guide, you will learn about a quick way to find out the IP addresses on your network, and then you will read about some basic tools that will get that information in a more digestible format and give you options to manage addresses.

How to Find Your Computer IP Address on Windows 8 / Windows 10

The ipconfig command will return a set of results for each of the network adapters that you have set up on your computer. Those adapters that are not active will show the result, Media disconnected , so you can ignore those. You now have the addresses of two devices on your network. The IPv4 address is the network address of the computer that you are using, and the default gateway result is the IP address of your router. The list of IP addresses that you see below that shows all of the other addresses that have been allocated on your network.

So the complete list is all of these addresses including the address of your computer. In the ARP results shown above, you can see four addresses that are labeled dynamic and six addresses that are categorized as static. If you have not made any intervention at all to allocate addresses manually to devices on your network, then all of the physical pieces of equipment will have dynamic addresses. The static addresses are used for administration by your router. The first address in the list is the address of your router.


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This should match the Default Gateway address that you saw in the ipconfig results. In the illustrations in this section, you can see that the ipconfig and arp commands have revealed the address of the router, the address of the computer from which the commands were issued, and the network addresses of four more devices that are connected to the network. Keeping track of the address allocations on your network is very important. You can choose two ways to allocate IP addresses. In one method, which is the static IP address , you enter an address into the network settings of each device.

As you perform this task, you need to keep a central record of those address allocations and be careful not to repeat addresses. The second method that you can use to allocate addresses is the dynamic IP address system. This scenario is now widely used by network administrators. In this scenario, each device, when connecting to the network has to contact a central server and request an address. This server operates the DHCP system. Under DHCP no device is allocated an address permanently.

The dynamic addressing method requires a lot more equipment than the static address allocation method. However, it is easier to automate than the static address method. If you have a small network, you could easily operate a static method. However, the automation that is available with the DHCP system makes it more attractive to the administrators of large networks. Networks use hostnames as well as IP addresses to identify devices. Under the dynamic address system, the hostname stays the same, but the IP address associated with it will change frequently.

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Checking your computer’s Internet Protocol (IP) Address

Because of address changes, it is necessary to automate the mapping between the host names and IP address that are held in your networks Domain Name Server. So, dynamic addressing requires automation tools. On the other hand, having to manually assign an address for each computer, mobile device and printer connected to the network can become very time consuming for administrators of large networks.

As a small network grows, the recording of IP address allocations needs to be very strictly controlled. Any slip-ups in the listing of assigned addresses can result in networking disasters.

How To Find Your IP Address

So, you are going to need tools to help monitor IP address allocation even in small networks. The IP Address Manager is needed in order to check on the addresses that are currently live on the network and match the current status up to the records in the DHCP server. An IP address scanner is just going to give you more or less the same information that you got from the arp command. There are a few IP address scanner tools that can add on a little extra information and present them in a more attractive format.