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Extract IPv4 Address From Text Using Perl

By: James  /  ipv4  /  no Comment

I had a list of IP address and wanted to know what they were – but I didn’t want to do a DNS lookup by hand on each. The list I had was really a chunk of text with IPv4 addresses all over in it. Here is how I extracted them for the report:

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Perl Convert List of Hostnames to IP4 Addresses

By: James  /  ipv4  /  2 Comments

Instead of having to type nslookup over and over, let’s script a solution that queries a list. We can then redirect the output into a file and have a nice, CSV output – all automated.

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