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Python reverse lookup to get the host name from the ip address

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reverse lookup in python is the process of finding the hostname associated with a given ip address. this can be achieved using the `socket` module in python. here’s a step-by-step tutorial on how to perform a reverse lookup to get the hostname from an ip address:

1. import the `socket` module:

2. use the `gethostbyaddr()` function from the `socket` module to perform the reverse lookup. this function takes the ip address as a parameter and returns a tuple containing the hostname, alias list, and ip address:

3. print the hostname from the tuple returned by `gethostbyaddr()`:

here’s a complete example demonstrating the reverse lookup to get the hostname from an ip address:

in this example, we define a function `reverse_lookup()` that takes an ip address as input, performs the reverse lookup using `gethostbyaddr()`, and returns the hostname. the function handles exceptions using `socket.herror` in case the hostname cannot be resolved.

you can replace the `ip_address` variable with any ip address you want to perform the reverse lookup on. this script will then output the associated hostname for that ip address.

i hope this tutorial helps you understand how to perform a reverse lookup in python to get the hostname from an ip address. let me know if you need further clarification or assistance.

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Alice AUSTIN

Alice AUSTIN is studying Cisco Systems Engineering. He has passion with both hardware and software and writes articles and reviews for many IT websites.