#!/usr/bin/perl -w
 
use strict;

my $arin="/usr/bin/whois -h whois.arin.net";
my $ripe="/usr/bin/whois -h whois.ripe.net";
my $apnic="/usr/bin/whois -h whois.apnic.net";
my $krnic="/usr/bin/whois -h whois.krnic.net";

my $email;
my $domain;
my $result;
 
my $ips = "203.197.64.42";
 
whois($ips);
 
sub whois{
 
my $ip = $_[0];
$result =  `$arin $ip`;
 
if ($result =~ m/European Regional Internet Registry/){
   $result = `$ripe $ip`;
     if (match()){
 } #close if match
} #close if result
 
elsif ($result =~ m/Asia Pacific Network Information Center/){
    $result = `$apnic $ip`;
    if ($result =~ m/hostmaster\@apnic.net/){
    last;
    }#end if
    if ($result =~ m/Allocated to KRNIC Member/){
    $result = `$krnic $ip`;
   } #end KRNIC match
    if (match()){
 } #end if match
} #end elsif
 
elsif (handles($arin)){
  if (match()) {
 } #end if match
} #end elsif
 
elsif (($email, $domain) = $result =~ m/([-.\w]+)(\@[-.\w]+)/) {
     print "The 1st email address is: $email$domain\n";
     print "Email will also be sent to: abuse$domain\n";
} #end elsif
 
else {
   print "Can not perform a whois query for $ip\n;"
 } #end else
} #close whois sub
 
###############
# Subroutines #
###############
 
# whois: Obtain an email address from a whois query
#
 
sub match {
  ($email, $domain) = $result =~ m/([-.\w]+)(\@[-.\w]+)/;
     print "The 1st email address is: $email$domain\n";
     print "Email will also be sent to: abuse$domain\n";
} #end sub match
 
# handles: Obtain the handles from a whois query
#
 
sub handles {
  my $registry = $_[0];
  $result =~ m/xxx/;
  my @handle = $result =~ m/\((.*?)\)/g;
    $result = `$registry $handle[1]`;
} #end handles