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path: root/make_ip_del.pl
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#!/usr/bin/perl

use warnings;
use strict;

while (<>) {
	chomp;
	s/#.*$//;
	s/^\s+//; s/\s+$//;
	next if /^$/;

	die "format error: $_" if not /^([\d\.]+)\/(\d+)\s+([\w\.]+)$/;
	my $m = $2; my $s = $3;

	my ($i1, $i2, $i3, $i4) = split(/\./, $1);
	print '{ ' . (($i1 << 24) + ($i2 << 16) + ($i3 << 8) + $i4) . 'UL, '.
		((~(0xffffffff >> $m)) & 0xffffffff) . 'UL, "';
	if ($s =~ /\./) {
		print $s;
	} elsif ($s eq 'UNKNOWN') {
		print "\\005";
	} elsif ($s eq 'UNALLOCATED') {
		print "\\006";
	} else {
		print "whois.$s.net";
	}
	print qq|" },\n|;
}