Another option is to regex your file's slurped contents:
use Modern::Perl;
my $fileContents = <<END;
0.0.0.0/0 *[Static/5] 02:30:27
> to 192.168.4.126 via em0.0
10.0.0.36/30 *[OSPF/10] 01:46:15, metric 2
> to 10.0.0.106 via em1.0
[BGP/170] 01:43:15, localpref 100, from 10.0.0.131
AS path: I
10.0.0.128/32 *[Static/5] 02:22:14
> to 10.0.0.110 via em2.0
[OSPF/10] 01:46:15, metric 3
> to 10.0.0.106 via em1.0
END
{
local $/;
open my $fh, '<', \$fileContents or die $!;
my $data = <$fh>;
my @IPs = $data =~ /Static.+Static.+> to ([\d.]+) via.+> to ([\d.]
++) via/s;
say for @IPs;
}
Output:
10.0.0.110
10.0.0.106
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