https://zulipchat.com/help/moderating-open-organizations https://zulipchat.com/help/moderating-open-organizations has some of that info. Zulip doesn't have IP-

https://zulipchat.com/help/moderating-open-organizations https://zulipchat.com/help/moderating-open-organizations has some of that info. Zulip doesn't have IP-level banning or moderation tools (at least not at the organization admin level; maybe you could hack something together if you were self-hosting).