User:0.0.0.0

This invalid IP address is the result of an empty value or unknown target. It is not feasible for edits to come from this IP, but if there is, a bug is present in Wikimedia's servers and you should report it to the Wikimedia Phabricator.

If you are an admin who wishes to test blocking, please use for that instead.

For more information, please see 0.0.0.0.