One of the IP ranges listed on the IP allowing list in the Adobe Campaign...

Within the Adobe Campaign Control Panel, when an IP range is listed as "Expired" and set to be automatically deleted after a certain period, typically the business practitioner has the ability to edit the duration of the IP range during this grace period. This action effectively extends the validity of the IP range before it is deleted, allowing for continued access based on that IP range.References:The Control Panel functionality in Adobe Campaign includes managing IP allowlists and their durations, which is essential for ensuring secure and uninterrupted access for authorized IP ranges.