A Black hole IP address is one that registrars put in place to erase the glue records of a nameserver.
|220.127.116.11||(used for .biz domains)|
|18.104.22.168||used December 2006|
|22.214.171.124||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|