Can you know ip corresponding to a given URL?

The easiest way is to use the ping function, which is part of Windows and all varieties of Unix. To use ping with Window, you need to open a command window - click start, select Run and enter cmd followed by enter. A command window should open, you can now type: ping <url> Ping sends an echo request packet and displays the response, which will come back as an ip address, for example: C:\Users\Andrew>ping bbc.co.uk Pinging bbc.co.uk [212.58.224.131] with 32 bytes of data:

Reply from 212.58.224.131: bytes=32 time=16ms TTL=121

Reply from 212.58.224.131: bytes=32 time=18ms TTL=121

Reply from 212.58.224.131: bytes=32 time=16ms TTL=121