To use the IP configuration (WINIPCFG) utility
Click Start, and then click Run.
In the Open box, type:
Click More Info.
To see the addresses of the DNS servers the computer is configured to use, click the ellipsis (...) button to the right of DNS Servers.
To see address information for your network adapter(s), select an adapter from the list in Ethernet Adapter Information.
The IP Configuration utility allows users or adminstrators to see the current IP address and other useful information about your network configuration.
You can reset one or more IP addresses. The Release or Renew buttons respectively release or renew one IP address. If you want to release or renew all IP addresses click Release All or Renew All.