diff --git a/IP.pm b/IP.pm
index 8a845df..efa1d8d 100644
--- a/IP.pm
+++ b/IP.pm
@@ -8,6 +8,8 @@
 use strict;
 use warnings;
 
+our $VERSION = '3.09';
+
 				#############################################
 				# These are the overload methods, placed here
 				# for convenience.
@@ -139,8 +141,6 @@
 				#############################################
 
 
-our $VERSION = '3.08';
-
 # Preloaded methods go here.
 
 				# This is a variant to ->new() that
@@ -262,7 +262,7 @@
 	for my $i ($1, $2, $3, $4) {
 	    return undef 
 		unless grep { $i == $_ }
-	    (255, 254, 252, 248, 224, 192, 160, 128, 0);
+	    (255, 254, 252, 248, 240, 224, 192, 128, 0);
 	}
 
 	return undef if ($1 < $2 or $2 < $3 or $3 < $4);
@@ -1463,6 +1463,16 @@
 
 =back
 
+=item 3.09
+
+=over
+
+=item *
+
+Fixed typo that invalidated otherwise correct masks. This bug appeared in 3.08.
+
+=back
+
 =back
 
 =head1 AUTHOR
diff --git a/t/v4-new.t b/t/v4-new.t
index bb18a18..7e12587 100644
--- a/t/v4-new.t
+++ b/t/v4-new.t
@@ -20,6 +20,7 @@
 	 [ 'default', '0.0.0.0' ],
 	 [ 32, '255.255.255.255' ],
 	 [ 0xffffff00, '255.255.255.0' ],
+	 [ '255.255.255.240', '255.255.255.240' ],
 	 [ '255.255.128.0', '255.255.128.0' ],
 	 [ 0b11111111111111110000000000000000, '255.255.0.0' ],
 	 );