Hey there we cant tell you how long your ban last but please refer here for help https://help.bungie.net/hc/en-us/articles/360049024492-Contact-Form-Appeal-Ban-or-Restriction hope this helps.
Allo there, The #Help forums are not able to assist with appeals of restrictions or bans. However, there is a process in place for you to appeal this ban or restriction. You may also want to contact your ISP to see if you have any issues on your line as well as optimize your network. [url=https://help.bungie.net/hc/en-us/articles/360049496531]Network troubleshooting[/url] [u]Please review the [b]Contact Form: Appeal Ban or Restriction article [/b][url=https://www.bungie.net/en/Help/Troubleshoot?oid=48629]found here.[/url][/u] Please note that, as mentioned in the article, there is no guarantee for a response, nor is there a guarantee that this ban or restriction will be overturned. [u]For more information on Bungie's policy regarding bans and restrictions, [url=https://www.bungie.net/en/Help/Article/11929]please review the policy here[/url].[/u]