I see various options have been discussed in depth. I just want to say that it is possible to capture all the IP numbers between DNS and Node Type with a Perl one-liner. I have quickly written the sample below to show that this can be done with a regular expression (or two).
use strict;
use Data::Dumper;
my $config = do { local $/; <DATA> };
my @dns = map { /(\S+)/g } # grab IP numbers between DNS .. Node
$config =~ m/DNS[^:]*:\s+([^N]*)\nNode/gs;
print Dumper(\@dns);
__DATA__
Host Name . . . . . . . . . : LAPTOP.no.cox.net
DNS Servers . . . . . . . . : 205.152.132.211
181.171.2.11
10.10.10.1
Node Type . . . . . . . . . : Broadcast
Point to Point
Host Name . . . . . . . . . : DESKTOP.no.cox.net
DNS Servers . . . . . . . . : 123.123.123.123
192.168.0.112
10.10.10.3
Node Type . . . . . . . . . : Broadcast
Point to Point
And the output -
$VAR1 = [
'205.152.132.211',
'181.171.2.11',
'10.10.10.1',
'123.123.123.123',
'192.168.0.112',
'10.10.10.3'
];
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