1 files changed, 30 insertions, 0 deletions
diff --git a/make_ip_del.pl b/make_ip_del.pl
new file mode 100755
index 0000000..6475918
--- /dev/null
+++ b/make_ip_del.pl
@@ -0,0 +1,30 @@
+#!/usr/bin/perl
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+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|;
+}
+