While using dynamic IPs normally should still allow the fixed IP address assignment from the DHCP server.
Will be tough to change identical IP’s
But if you really need to change your scraped IPs
If you would like to use a MySQL database for several Kodi clients that use different methods to access the shared media (e.g. a mix of SMB, NFS and/or system mount based access), or have need of modifying a path of an existing source (such as converting from a Kodi path to a system mount) you can use the path substitution function of Kodi to facilitate this. The following guide will provide instruction on how this works, including a section specific to MySQL usage and how your sources should be configured.
Please see [HowTo] Repairing File Paths with Path Substitution for details.