Get ip of localmachine

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BigZero - 06 Mar 2008 07:30 GMT

Hello,

how do i get local machine ip,
I tried this one the following code

InetAddress group = InetAddress.getByName("localhost");
System.out.println("\nip"+add.getHostAddress().toString());
it returns loopback ip ie 127.0.0.1
so plz any one can help me.....!

Thanks
Vijay

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Gordon Beaton - 06 Mar 2008 07:41 GMT

> how do i get local machine ip,

Typically there are multiple IP addresses (often 2, sometimes more).
Which one do you want?

Iterate over the available java.net.NetworkInterfaces, ask each of
them for its addresses, then choose one you like.

/gordon

--

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Peter Duniho - 06 Mar 2008 07:54 GMT

> Hello,
>
[quoted text clipped - 5 lines]
> it returns loopback ip ie 127.0.0.1
> so plz any one can help me.....!

Try InetAddress.getLocalHost()

Yes, it's a little confusing. :)

Pete

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BigZero - 06 Mar 2008 09:34 GMT

Thanks

i got it
InetAddress group = InetAddress.getLocalHost();
System.out.println ("Local IP : " + group.getHostAddress());

Thanks

Vijay

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Wayne - 06 Mar 2008 10:14 GMT

> Hello,
>
[quoted text clipped - 8 lines]
> Thanks
> Vijay

<sscce>
// "Quick and Dirty" Demo to show how to list a host's IP address(es).
// Written 3/2008 by Wayne

import java.net.*;
import java.util.*;
import static java.lang.System.out;

public class ShowIPAddresses
{
public static void main ( String [] args ) throws Exception {
InetAddress addr = InetAddress.getLocalHost();
out.println( "My main IP is: " + addr.getHostAddress() + "\n" );

out.println( "----------------------------" );

Enumeration<NetworkInterface> nics =
NetworkInterface.getNetworkInterfaces();

while ( nics.hasMoreElements() ) {
NetworkInterface nic = nics.nextElement();
out.println( "IP addresses for NIC \"" + nic.getName() + "\" ("
+ nic.getDisplayName() + ")");
for ( Enumeration<InetAddress> addrs = nic.getInetAddresses();
addrs.hasMoreElements(); )
out.println( "\t" + addrs.nextElement().getHostAddress() );
}
}
}
</sscce>

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Roedy Green - 06 Mar 2008 12:39 GMT

On Wed, 5 Mar 2008 23:30:37 -0800 (PST), BigZero
<vijaymajagaonkar@gmail.com> wrote, quoted or indirectly quoted
someone who said :

>how do i get local machine ip,
>I tried this one the following code

see http://mindprod.com/jgloss/ip.html#OWNIP
--

Roedy Green Canadian Mind Products
The Java Glossary
http://mindprod.com

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BigZero - 06 Mar 2008 13:32 GMT

Thanks to one all

Regards
Vijay

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