may not work for someone else and vice versa.
If your IP is static then you CAN’T change your IP address without contacting your ISP.
If you have a long lease time on your IP then you won’t be able to change your IP without cloning your MAC address.
It definitely helps if you know how the IP is being assigned to you.
What is an IP lease time? IP lease time is the amount of time your ISP determines you’ll be assigned a particular IP address. Some IP lease times are just a few days and other IP lease times could be set for a year or more. This setting is completely up to your ISP.
One of the easier methods to change your IP is to turn off your modem/router/computer overnight. Then turn it back on the following morning. This method WON`T work if your ISP has a long lease time set for your IP.
The following method will ONLY work if your computer is being assigned your external IP and not a router.
For XP
1. Click Start
2. Click Run
3. Type in cmd and hit ok
4. Type ipconfig /release and hit enter
5. Click Start, Control Panel, and open Network Connections
6. Find and Right click on the active Local Area Connection and choose Properties
7. Double-click on the Internet Protocol (TCP/IP)
8. Click on Use the following IP address
9. Enter a false IP like 123.123.123.123
10. Press Tab and the Subnet Mask section will populate with default numbers
11. Hit OK twice
12. Right click the active Local Area Connection again and choose Properties
13. Double-click on the Internet Protocol (TCP/IP)
14. Choose Obtain an IP address automatically
15. Hit OK twice
For Vista
1. Click Start
2. Click All Programs expand the Accessories menu
3. In the Accessories menu, Right Click Command Prompt and choose Run as administrator
4. Type ipconfig /release and hit enter
5. Click Start, Control Panel, and open Network and Sharing Center. Depending on your view, you may have to click Network and Internet before you see the Network and Sharing Center icon
6. From the Tasks menu on the left, choose Manage Network Connections
7. Find and Right click on the active Local Area Connection and choose Properties
8. Double-click on Internet Protocol Version 4 (TCP/IPv4)
9. Click on Use the following IP address
10. Enter a false IP like 123.123.123.123
11. Press Tab and the Subnet Mask section will populate with default numbers
12. Hit OK twice
13. Right click the active Local Area Connection again and choose Properties
14. Double-click on Internet Protocol Version 4
15. Choose Obtain an IP address automatically
16. Hit OK twice
To manually change your IP, follow the steps above for your Operating System. In step 9 or 10, depending on your O/S, enter an IP similar to the one displayed in the command prompt window. For example, if the IP displayed in the command prompt window is 76.11.22.13, change yours to 76.11.12.14. You’ll also need to enter the Subnet, Gateway and DNS Server IP addresses as well. If the new IP you give your computer doesn’t work, chances are someone else on the ISP network has already been assigned that IP. You’ll need to move on to the next one and keep trying until you find an open one. However, some ISPs match up your MAC or modem data to the IP that’s been assigned. If those 2 things don’t match up, you won’t be able to connect no matter what. If your router gets the IP and not your computer, you’ll need to http in to your routers interface and manually assign the IP there.
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