For this purpose, 1.1.1.1 is probably an OK IP to use for testing. It's in a ran...

duskwuff on June 1, 2012 | parent | context | favorite | on: Facebook Outage: Wake Up Call For Websites

For this purpose, 1.1.1.1 is probably an OK IP to use for testing. It's in a range that's technically a routable public IP, but which will almost certainly never be announced (as it receives a ridiculous amount of bogus traffic).