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Get subnet mask for local computer ?

Posted on 2001-08-08
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Last Modified: 2013-12-03
Greetings from sunny Melbourne Australia,

I want to get the subnet mask associated with the local PC's address.

I understand how to use hostname() and gethostbyname() to get a list of one or more addresses for this PC but I need to know whether this PC is on the same network as another address - hence my need for the subnet mask.

Can anybody help ?

Thanks in Advance
mjsmith99@hotmail.youknowwhat
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Question by:mjsmith99
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3 Comments
 
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by:jhance
ID: 6368617
See:

http://www.caip.rutgers.edu/~arni/ws2/stas.htm

The technique described here will get you both your IP and netmask.
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NickRepin earned 100 total points
ID: 6375106
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by:mjsmith99
ID: 6383076
I awarded the points to Nick because of his excellent source code.  jhance's answer was also useful.

Thanks,
Mike
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