open a command prompt.
C:\>ipconfig /all
will give a detailed result of ur IP, gateway, Subnet Mask, DNS, Type of IP. If DHCP when it expires. etc etc.
C:\>ipconfig /release
will release the DHCP IP assigned to ur PC/LAPPY.
C:\> ipconfig /renew
will renew ur DHCP IP assigned to u PC/LAPPY.
To check the details of a particular user in a domain.
C:\>net user LOGIN_ID /domain
[provided the issuing machine is a member of that domain]
it will give a detailed description of the user. with ID , name, contact, group memebership, when is the password expiring, account status etc etc.
Subject: Know Your Present IP address 
Sun Feb 14, 2010 9:47 pm
