One simple way to determine your computer's IP address is to visitwhatsmyip.com. The site will display your IP address and other information about your system. If the page does not appear, you may not have a working internet connection and should try one of the methods below.
Step 1, Open a web browser on a computer or device. You can use any computer or device connected to your network to determine your network's public IP address. Make sure the device is connected to your network first. For example, if you're using your smartphone and you're not actually connected to your Wi-Fi network, you'll get your mobile data network's public IP address instead.Step 2, Visit Google. Using Google is one of the easiest ways to find your public IP address, but there are many. In the Local Area Connection Properties window, under This connection uses the following items:, select Internet Protocol (TCP/IP), then click Properties and make sure that Obtain an IP address automatically and Obtain DNS server address automatically are selected. If TCP/IP does not appear on the list under This connection uses the following. Open up the Command Prompt via your Windows Start menu. Type in 'ipconfig' and hit. Find an IP Address Using the Command Prompt Right-click the Start button or hit Windows Key+X to bring up the hidden quick access menu and select Command Prompt (Admin) or — select Windows.
Windows
- Open a command prompt.For help navigating, see Get around in Windows.
- At the command prompt, enter:
The IPv4 address will be a series of numbers following the pattern xxx.xxx.xxx.xxx (for example, 156.56.27.32).
macOS
- From the Apple menu, select System Preferences.... In
System Preferences
, from the View menu, select Network. - In the
Network
preference window, click a network port (for example, Ethernet, AirPort, Wi-Fi). If you are connected, you'll see your IP address under 'Status:'.
Whatsmyip
Unix-like OS
In many Unix-like operating systems (for example, Ubuntu, RHEL, macOS, BSD), a shared system administration utility known as ifconfig is available to configure, control, and query TCP/IP network interface parameters from a command-line interface (CLI). Typically, ifconfig can only be used under a superuser account in your terminal.
To get your IP address from ifconfig, enter the following:
A list of all your network interfaces will appear. Following the heading of the interface whose IP address you're searching for, you will see a 'inet addr:' section containing your IP address.
You can usually find out more with the command:
On This Page:
If you are having problems connecting to the campus network via Ethernet, you should make sure your network adapter is configured properly. Note: The following instructions are for on-campus connections only. Off-campus users may need to contact their Internet Service Provider (ISP) or the IT Help Center.
As of fall 2011, all residence halls at UMass Amherst have been equipped with state-of-the-art wireless Internet access. Wired Ethernet connections are not available in these buildings. For more information, please see the Wireless in Residence Halls Installation Project page.
TCP/IP on Windows 7, 8, 8.1 & 10

- Go to Start > Control Panel > Network and Internet > Network and Sharing Center, then in the left-hand column, click Manage network connections.
- Right-click Local Area Connections and select Properties.
Note: The name of this connection may vary if you have changed it or if you have previously connected to other wired Ethernet networks. - Windows 7 might present you with a User Account Control window asking you for permission to continue. Click Continue to move on. A Local Area Connection Properties window will open.
- In the Connection Properties window, under This connection uses the following items:, select Internet Protocol Version 4(TCP/IPv4), then click Properties and make sure that Obtain an IP address automatically and Obtain DNS server address automatically are selected.
- If TCP/IP does not appear on the list under This connection uses the following items:, you must install it.
- Click Install.
- In the Select Network Feature Type window, select Protocol and click Add...
- In the Select Network Protocol window, choose TCP/IP and click OK, then follow any on-screen directions.
TCP/IP on Windows Vista
Note: UMass Amherst IT no longer offers support for Windows Vista.
- Go to Start > Control Panel > Network and Internet > Network and Sharing Center, then in the left-hand column, click Manage network connections.
- Right-click Local Area Connections and select Properties.
Note: The name of this connection may vary if you have changed it or if you have previously connected to other wired Ethernet networks. - Windows Vista might present you with a User Account Control window asking you for permission to continue. Click Continue to move on. A Local Area Connection Properties window will open.
- In the Connection Properties window, under This connection uses the following items:, select Internet Protocol Version 4(TCP/IPv4), then click Properties and make sure that Obtain an IP address automatically and Obtain DNS server address automatically are selected.
- If TCP/IP does not appear on the list under This connection uses the following items:, you must install it.
- Click Install.
- In the Select Network Feature Type window, select Protocol and click Add...
- In the Select Network Protocol window, choose TCP/IP and click OK, then follow any on-screen directions.


- Go to Start > Control Panel > Network and Internet > Network and Sharing Center, then in the left-hand column, click Manage network connections.
- Right-click Local Area Connections and select Properties.
Note: The name of this connection may vary if you have changed it or if you have previously connected to other wired Ethernet networks. - Windows 7 might present you with a User Account Control window asking you for permission to continue. Click Continue to move on. A Local Area Connection Properties window will open.
- In the Connection Properties window, under This connection uses the following items:, select Internet Protocol Version 4(TCP/IPv4), then click Properties and make sure that Obtain an IP address automatically and Obtain DNS server address automatically are selected.
- If TCP/IP does not appear on the list under This connection uses the following items:, you must install it.
- Click Install.
- In the Select Network Feature Type window, select Protocol and click Add...
- In the Select Network Protocol window, choose TCP/IP and click OK, then follow any on-screen directions.
TCP/IP on Windows Vista
Note: UMass Amherst IT no longer offers support for Windows Vista.
- Go to Start > Control Panel > Network and Internet > Network and Sharing Center, then in the left-hand column, click Manage network connections.
- Right-click Local Area Connections and select Properties.
Note: The name of this connection may vary if you have changed it or if you have previously connected to other wired Ethernet networks. - Windows Vista might present you with a User Account Control window asking you for permission to continue. Click Continue to move on. A Local Area Connection Properties window will open.
- In the Connection Properties window, under This connection uses the following items:, select Internet Protocol Version 4(TCP/IPv4), then click Properties and make sure that Obtain an IP address automatically and Obtain DNS server address automatically are selected.
- If TCP/IP does not appear on the list under This connection uses the following items:, you must install it.
- Click Install.
- In the Select Network Feature Type window, select Protocol and click Add...
- In the Select Network Protocol window, choose TCP/IP and click OK, then follow any on-screen directions.
TCP/IP on Windows XP
My Ip Address
Note: UMass Amherst IT no longer offers support for Windows XP.
- Go to Start > Control Panel > Network Connections.
- Right-click Local Area Connection, then click Properties and select the Networking tab.
- In the Local Area Connection Properties window, under This connection uses the following items:, select Internet Protocol (TCP/IP), then click Properties and make sure that Obtain an IP address automatically and Obtain DNS server address automatically are selected.
- If TCP/IP does not appear on the list under This connection uses the following items:, you must install it.
- Click Install.
- In the Select Network Component Type window, select Protocol and click Add...
- In the Select Network Protocol window, choose TCP/IP and click OK, then follow any on-screen directions.
TCP/IP on Mac OS X
- Go to Apple Menu > System Preferences. The System Preferences window will open.
- In the System Preferences window, under Internet & Wireless, click Network.
- In the Network window:
- In the Location drop-down window, select Automatic.
- Select Ethernet (at left).
- From the Configure IPv4 drop-down menu, select Using DHCP. DNS Server and Search Domains information will auto-populate.
- If DNS Server and Search Domains information do not auto-populate, click Advanced. The Ethernet window will appear.
- In the Ethernet window, on the TCP/IP tab, from the Configure IPv4 drop-down menu, select Automatically (if not already selected), then click OK.
- Click Apply, then close the Network window.