Anyone have idea how can find available IP addresses in a network using any protocol?
UDP broadcasting is one way. But in this case every one should have a listener app?
Please suggest if have any other way?
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Anyone have idea how can find available IP addresses in a network using any protocol?
UDP broadcasting is one way. But in this case every one should have a listener app?
Please suggest if have any other way?
You could send ICMP pings to the broadcast network address. For example, if your interface IP is in the 192.168.0.0/24 network, you would send pings to 192.168.0.255 –
However to send ICMP ping from an application, you’ll need to open raw sockets & thus you’ll need root permissions. The ping program on most OSes are setuid root programs, so they can be invoked by any user.