there's no any specific reason why the plugin is attached to ip and not a domain name.
yes, you will need to reset IP for each obtained plugin.This is done in automatic mode?Or need to wait until it will make plug-in developer?there's no any specific reason why the plugin is attached to ip and not a domain name.
This is not automatic, you need to do that manually for each plugin in "My purchases" section.I understand, thank you. But this I can do myself and the plugin will work immediately on the new hosting?