Check the IP through the firewall

Since QQ uses the UDP protocol to transmit information, and UDP is a connectionless protocol, in order to ensure that the information reaches the other party, QQ needs the other party to send a Authentication tells this machine that the other party has received the message. Firewalls (such as Skynet) have UDP monitoring functions, so we can use this authentication to check the IP. Haha, it takes no effort at all!

Now let us give a practical example to see how to use Skynet to check IP.

The first step: Turn on the UDP monitoring of the Skynet firewall;

The second step: Send him or her a message;

The third step: Check the QQ server address you are using, in this case it is 202.104.129.252;

Step 4: Exclude the QQ server address and determine the other party’s IP address, in this case it is 61.133.200.90; < /p>

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What about it? He (she) can’t run away, right? Too much trouble? You must know that Tencent's QQ upgrade speed is faster than Rockets. There are always version restrictions when using the first two methods. Using this method can be done once and for all!

4. Check IP through NetXRay

NetXRay is a software developed by Cinco Networks for advanced packet error detection and is very powerful. Using such a powerful weapon to check QQ's IP is a bit of a "big talent but a small use".

Step 1: Run NetXRay and select tools→Matrix in the menu

Step 2: Select the IP label that appears at the bottom.

Step 3: Right-click and select Show Select Nodes in the pop-up menu

Step 4: Open QQ and chat with the person you want to check while observing the window. The data line that changes color at the moment the data packet is sent is the IP connection between you and him. Look at the other end of the data cable. The IP address (61.138.121.18) is what you have been dreaming of.

There are several ways to use NetXRay to check the IP address of QQ users. You can try the other methods yourself

There are many methods and tools to check the IP address of QQ users. , the methods introduced here are enough for you. If it doesn't work, you can easily find some tools in this area and use them yourself.

2. Check the IP in the chat room

1. Use IP Hunter

IP Hunter is a software developed by Dugu Swordsman. The method to use IPHunter to check the IP in a chat room is as follows: In a chat room that allows posting pictures and playing music, use HTML language to send pictures and music to the other party. If you set the path of the picture or music file to your own IP, then even though this URL The picture or music file at the address does not exist, but as long as you send it to the other party, the other party's browser will automatically access your IP. Different formats may be used for different chat rooms, but you only need to set the path to your IP. The example description is as follows:

For example: "*** Chat Room" sending format is as follows:

Send image: img src="IP address, just type the command in the DOS window "ping www.sina.com.cn", you can see the IP.

2. Use the tool to check

Here we take Cyber ??Assassin II as an example. /p>

Network Assassin II is a Chinese network security detection software specially designed for security professionals produced by Tianxing. Run Network Assassin II, enter the main interface, and select "IP<->Host" under the "Toolbox" menu. Name", a dialog box appears, write the other party's domain name in the box below "Enter IP or domain name" (we assume the other party's domain name www.sina.com.cn), click the "Convert to IP" button, the other party's domain name The IP comes out and is 202.106.184.200.