Ip Changing?

Hello ! I am Mizzer3 and i wondering a thing...

- Ip Change

- Ip Change: Okey i always plays War Rock, the best Gameplay 4ever, but one time a got banned on my account in lvl 12 ... Name : Mizzer2
Well, well, i think for my self. Make a new account. Okey so i amek new email and new War Rock Account and start playing again... But in 2-3 hours the same thing happens... And i have maked 6 War Rock account at all ! So i think i am IP Banned... So i wondering how to change the IP Adress ?

1.I do this but it dont work :

- Start
- Run - Cmd
- Ipconfig /release ( The network conenction lost )
- Ipconfig /renew ( The network came back )
So now i should be new adress... But it dont work

2.Dont work either :

- Start
- Network conenctions
- Local Area Connection
- Properties
- Internet Protocol
- Write in fail adress
- Hit OK tiwce
- Open Properties at Local Area Conenction Area again
- Internet protocol
- Get IP information automatic
DONT WORK

3. Restart the modem
DONT WORK

I tried 3 differents metods. So any1 know how to change the ip adress and tell wy some of this metods dont work?

- Mizzer3