Scan IP range with VB

Hi all,

I want to develop an application which shound accept IPs range input by user and then the program will scan this range and display live host information. I have a few question list below:

- How can i format the text box in order to trigger user to input correct IP address format (123.123.123.123). I found many application display their text box when form load like that. How can i do that in VB? (displayed: ____._____.____.____)

- Anyone can show me the scan process (algorithm)?

- Gather available information about scanned IP.

Thank in advance. Sorry for lack point, but i have only 40points available now
LVL 13
dunglaAsked:
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aParserCommented:
CCRP IP Address Control
http://ccrp.mvps.org/index.html?controls/ccrpipadd6.htm

HOW TO: Ping an IP Address with Visual Basic by Using ICMP
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q300197
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