You can't the best you can do is wait until openfeint let you on again depending on whether or not they actually do let you on again
OpenFeint was created on 2009-02-17.
No!
The ban was lifted in 2000.
1997
In the year of 1886.
Feint points are essentially a measure of the amount of bragging rights you have earned by playing any of the games under openfeint. They amount to little else however, as you can't do anything with them.
Absinthe
The US lifted their ban on foreign trade with Vietnam on February 3, 1994. President Clinton is the person how lifted the ban.
Yes, you can find her on openfeint her user is Debby Ryan
To remove an IP ban, you can start by contacting the administrator of the network or service that has imposed the ban and request its removal. If you have access to the server or system, you can also manually edit the firewall or server configuration to lift the ban. Additionally, using a different IP address (via a VPN or changing your network) can help you bypass the ban temporarily. Always ensure you understand the reason for the ban to avoid future issues.
You can't once a ban is issued it won't lift until the given date unless if it is permanently suspended.
No, it won't because the ban is linked to your Nintendo Network ID (NNID) and not to your console. Unless you create a new NNID, you will not be unbanned (assuming that you were permanently banned.)