Here is the steps for change your cable IP:
Create a new batch file.
Then write in it:
Create a new batch file.
Then write in it:
ipconfig /release
netsh int ip set address name="name of connection" source=static 111.111.111.111 255.255.255.0
netsh int ip set address name="name of connection" source=dhcp
Save it with the extension .bat
Just run and enjoy it !