public static List<String> getAllHosts() throws IOException {
List<String> hostAddresses = new ArrayList<String>();
InetAddress localhost = InetAddress.getLocalHost();
String ipAddress = localhost.getHostAddress();
for (int lastOctet = 1; lastOctet <= 115; lastOctet++) {
String[] octets = ipAddress.split("\\.");
String neighborIpAddress = String.format("%s.%s.%s.%d",
octets[0],
octets[1], octets[2], lastOctet);
InetAddress address =
InetAddress.getByName(neighborIpAddress);
if (address.isReachable(5000)) {
Log.w(TAG, neighborIpAddress.toString());
hostAddresses.add(neighborIpAddress.toString());
} else {
Log.w(TAG, "Host unreachable");
}
}
return hostAddresses;
}
Here is my code where I am trying to ping all machines on my network
but this never works.. isReachable always returns false even for
machines that I am able to ping from my machine using ping command..
Please help..
Thanks
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