Experimente o Comutador de IP gratuito :
Free IP Switcher is a perfect solution for you. It switches between preconfigured network settings with a single click and without any reboot. With Free IP Switcher you can automatically change all network settings on your pc: IP address, network masks, default gateway, DNS server, wins server, proxy settings, default printer and more.
Ou,comoalternativa,vocêpodetentar
NetSetMan is a network settings manager which can easily switch between 6 different, visually structured profiles