A Black hole IP address is one that registrars put in place to erase the glue records of a nameserver.
|188.8.131.52||(used for .biz domains)|
|184.108.40.206||used December 2006|
|220.127.116.11||used December 2006|
- General use: - Not strictly speaking black holes, these addresses are simply non-routable and serve the same purpose of invalidating an address.
|127.0.0.*||* varies - for example NAME IT Corp uses 127.0.0.127|