diff --git a/NEWS b/NEWS
index 3b208985b92..c0379f82b38 100644
--- a/NEWS
+++ b/NEWS
@@ -15,6 +15,9 @@ PHP                                                                        NEWS
   . Fixed bug #65196 (Passing DOMDocumentFragment to DOMDocument::saveHTML() 
     Produces invalid Markup). (Mike)
 
+- Filter:
+  . Fixed bug #66229 (128.0.0.0/16 isn't reserved any longer). (Adam)
+
 - XSL
   . Fixed bug #49634 (Segfault throwing an exception in a XSL registered
     function). (Mike)
diff --git a/ext/filter/logical_filters.c b/ext/filter/logical_filters.c
index 03b00bd9f6d..a38351d442b 100644
--- a/ext/filter/logical_filters.c
+++ b/ext/filter/logical_filters.c
@@ -715,8 +715,6 @@ void php_filter_validate_ip(PHP_INPUT_FILTER_PARAM_DECL) /* {{{ */
 				if (
 					(ip[0] == 0) ||
 					(ip[0] == 100 && (ip[1] >= 64 && ip[1] <= 127)) ||
-					(ip[0] == 128 && ip[1] == 0) ||
-					(ip[0] == 191 && ip[1] == 255) ||
 					(ip[0] == 169 && ip[1] == 254) ||
 					(ip[0] == 192 && ip[1] == 0 && ip[2] == 2) ||
 					(ip[0] == 127 && ip[1] == 0 && ip[2] == 0 && ip[3] == 1) ||
diff --git a/ext/filter/tests/bug53150.phpt b/ext/filter/tests/bug53150.phpt
index 4baa4db772a..4906888bdf7 100644
--- a/ext/filter/tests/bug53150.phpt
+++ b/ext/filter/tests/bug53150.phpt
@@ -23,6 +23,6 @@ string(3) "::1"
 bool(false)
 bool(false)
 string(9) "128.0.0.1"
-bool(false)
+string(9) "128.0.0.1"
+string(11) "191.255.0.0"
 string(11) "191.255.0.0"
-bool(false)