We would need to know what network you are utilizing to be able to help you with the correct commands.

If another Operator is banning your host (address) I would talk to that operator first and ask the reason. It could be so simple that another user with a similar host as yours is causing problem in the channel is the one being banned.

If the operator has no good reason/response I advise you to talk to the founder of the channel about the situation.

The wheel of time turns. What was, what will be, and what is, may yet fall under the Shadow.