diff --git a/modules/statistics/statistics.test b/modules/statistics/statistics.test
index 7e038d61207c67fbfbbd160200316b915e46c540..50accd74147a5e3649dbe55612d00d8dcb2bb26c 100644
--- a/modules/statistics/statistics.test
+++ b/modules/statistics/statistics.test
@@ -35,7 +35,7 @@ class StatisticsTestCase extends DrupalWebTestCase {
         'title' => 'test',
         'path' => 'node/1',
         'url' => 'http://example.com',
-        'hostname' => '192.168.1.1',
+        'hostname' => '1.2.3.3',
         'uid' => 0,
         'sid' => 10,
         'timer' => 10,
@@ -268,7 +268,7 @@ class StatisticsBlockVisitorsTestCase extends StatisticsTestCase {
    */
   function testIPAddressBlocking() {
     // IP address for testing.
-    $test_ip_address = '192.168.1.1';
+    $test_ip_address = '1.2.3.3';
 
     // Verify the IP address from accesslog appears on the top visitors page
     // and that a 'block IP address' link is displayed.
diff --git a/modules/system/system.test b/modules/system/system.test
index 0542adfa0003321b0b197027876746516e650bbc..2f1e00616bd45668037078041b89585d33ed5944 100644
--- a/modules/system/system.test
+++ b/modules/system/system.test
@@ -726,7 +726,7 @@ class IPAddressBlockingTestCase extends DrupalWebTestCase {
 
     // Block a valid IP address.
     $edit = array();
-    $edit['ip'] = '192.168.1.1';
+    $edit['ip'] = '1.2.3.3';
     $this->drupalPost('admin/config/people/ip-blocking', $edit, t('Add'));
     $ip = db_query("SELECT iid from {blocked_ips} WHERE ip = :ip", array(':ip' => $edit['ip']))->fetchField();
     $this->assertTrue($ip, t('IP address found in database.'));
@@ -734,7 +734,7 @@ class IPAddressBlockingTestCase extends DrupalWebTestCase {
 
     // Try to block an IP address that's already blocked.
     $edit = array();
-    $edit['ip'] = '192.168.1.1';
+    $edit['ip'] = '1.2.3.3';
     $this->drupalPost('admin/config/people/ip-blocking', $edit, t('Add'));
     $this->assertText(t('This IP address is already blocked.'));