Usually IPs in the chat room should use a special grasp IP tool (such as iPhunker), but this is not necessary, you can catch IP in the personal firewall installed for online security.
Grasp the IP principle
Just try to let his machine access your computer so you can usually send a picture to it, the address of the map is changed to your IP.
If your IP is 22, 22, 22, 22
You can send it image
This way it will access your host when you receive this HTML, your firewall software will receive this information alarm to inform you.
Open the firewall You can see his IP address and more other information in the list.
Such as: I am using the personal firewall of Tianwang
In a chat room supporting HTML
http://ngsoft.shangdu.net
