I have written a tool to scan all alive machines in a windows subnet. The current design is start a scan on a IP-->complete the scan of the IP and then take up the next IP. Scanning is initiated from a single host machine and all the other machines are scanned remotely one by one. This has been taking a lot of time to complete the scan of all 253 machine in the subnet. My thoughts were to go for multithreading to reduce the time taken for the scan? Any thoughts or suggestions here? -Kishore

In reply to multithreading solution to the below problem by rookie8278

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