Sufi,
FYI - An IP address is composed of 4 octets. The values range from 0 to
255. 255 is used as a broadcast address too and is normally not used as a
value in an IP address
You should just increment an integer, convert it to a string, and compose
your IP address by concatenating the strings.
-Richard
int octet1, octet2, octet3, octet4;
octet4=155;
octet3=108;
octet2=0;
octet1=0;
boolean finished=false;
while (!finished)
{
String IPAddress = (new String(octet4)) + "." + (new
String(octet3) + "." + (new String(octet2) + "." + (new String(octet4));
/*
* do your work here
*/
octet1++;
if (octet1== 255)
{
octet2++;
octet1=0;
}
if (octet2==255)
finished=true;
}
At 09:27 PM 2/4/2002 +0000, you wrote:
>I wrote a java program that scan port, I gave ip addresses from the command
>line, for example I want to know if port 80 is running in ip1 ip2 ip3 :
>java scan ip1 ip2 ip3
>and I get the resault ( it's working fine), now because the ip address of
>all the machines has this form : 155.108.xxx.xxx, my question is how to
>increment this ip address from 155.108.000.000. to 155.108.999.999
>thanks
>
>
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