#!perl
use strict;

my @from =(); my @to =();
my $re = qr/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/;

while (<DATA>){
  next unless /(?:to|from):$re/;
  push @from,($_ =~ /from:($re)/g);
  push @to,  ($_ =~ /to:($re)/g);
}

for (@from){
  print "$_ ,".(shift @to)."\n"
}

__DATA__
hshhhgljlkjglgkjj from:198.18.66.5 aegighighighilg to:198.18.66.6 iiufduifuiuih from:198.18.66.7
hiihhj to:198.18.66.8 hhouhoho from:198.18.66.9 igilgojhjh to:198.18.66.10 igighliho
from:198.18.66.11 highighioouhouhhhoh  to:198.18.66.12