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Asked: 2026-06-15T19:53:49+00:00

Working on a shell script that takes a machine name as an argument and

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Working on a shell script that takes a machine name as an argument and then determines if the host is on the local network (same network as the machine that ran the script).

How can I get the IP address from the machine name? Once I get that I should be able to compare that IP with the local one to see if they’re on the same subnet.

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  1. Editorial Team

    You can use nslookup (http://linux.die.net/man/1/nslookup), dig (http://linux.die.net/man/1/dig) or host (http://linux.die.net/man/1/host) command-line utilities.

    For example, here is the result of running host for getting A-records for stackoverflow.com from DNS server:

    $ host -tA stackoverflow.com
stackoverflow.com has address 69.59.197.21
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