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#! /usr/bin/perl
# Scan the SIXXS pops page,
# Screen scrape it to generate the CHECK_PREFIX lines in mod_ip.c
# Output will be like
# CHECK_PREFIX("2001:14b8:100::/40","fihel01.sixxs.net dna");
# CHECK_PREFIX("2001:15c0:65ff::/48","simbx01.sixxs.net amis");
# CHECK_PREFIX("2001:15c0:6600::/40","simbx01.sixxs.net amis");
use strict;
use LWP::Simple qw(get);
use Socket;
use Socket6;
my $top_url = "http://www.sixxs.net/pops/prefixes/";
my $top_html = get($top_url);
my @lines = split( /\n/, $top_html );
@lines = grep( m#/tools/whois#, @lines );
foreach my $line (@lines) {
if ( $line =~ m#href="/tools/whois/\?(\S+?)">\1# ) {
my ($ip) = $1;
my ( $prefix, $bits ) = split( m#/#, $ip );
my $buffer = inet_pton( AF_INET6,$prefix );
if ( length($buffer) ) {
my $ipnew = unpack( "H*", $buffer );
my @ipnew = split(//,$ipnew);
my $lookup = join(".",reverse(@ipnew),"origin6.asn.cymru.com.");
my $cmd = "dig +short +notcp $lookup TXT";
system $cmd;
}
next;
my $url = "http://test-ipv6.com/ip/?testip=$prefix&asn=1";
print STDERR "..";
my $got = get($url);
print STDERR "..\n";
if ( $got =~ m#,"asn":"(\d+)",# ) {
print "$prefix $1\n";
} else {
print $got;
}
}
} ## end foreach my $line (@lines)
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