2 files changed, 9 insertions, 1 deletions
diff --git a/it.class b/it.class
index 539cf5a..5a765db 100644
--- a/it.class
+++ b/it.class
@@ -456,11 +456,12 @@ static function is_private_ip($host)
 	{
 		if ($ip !== filter_var($ip, FILTER_VALIDATE_IP))
 			continue;
+		$gotvalidip = true;
 		if ($ip !== filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE))
 			return true;
 	}
 
-	return false;
+	return $gotvalidip ? false : true;
 }
 
 
diff --git a/test/it.t b/test/it.t
index 69b46b6..19f445f 100755
--- a/test/it.t
+++ b/test/it.t
@@ -349,6 +349,13 @@ is(it::is_private_ip('cname.gna.ch'),                   true,  "is_private_ip cn
 is(it::is_private_ip('pub4.gna.ch'),                    true,  "is_private_ip pub4.gna.ch has public ipv4 but private ipv6");
 is(it::is_private_ip('pub6.gna.ch'),                    true,  "is_private_ip pub6.gna.ch has private ipv6 and public ipv6");
 
+# Stuff which is interpreted by curl
+is(it::is_private_ip('127.1'),                          true,  "is_private_ip loopback ipv4 (zeroes omitted)");
+is(it::is_private_ip('127.0.0.01'),                     true,  "is_private_ip loopback ipv4 (octal)");
+is(it::is_private_ip('127.0.0.0x1'),                    true,  "is_private_ip loopback ipv4 (hexadecimal)");
+is(it::is_private_ip('127.01.0x1'),                     true,  "is_private_ip private with omissions, octal and hexadecimal");
+is(it::is_private_ip('128.01.0x1'),                     false, "TODO: is_private_ip non-private with omissions, octal and hexadecimal");
+
 # it::filter_keys tests
 
 $data = ['a' => 1, 'b' => 2, 'c' => 3];