In the first place the solution blocks the different scanners that drag on the internet. It's also blocking possible attacks that could use the bandwidth of your website. Use the lists of blacklistip.com it is to ensure an anticipation on potential future attack
This blacklist does support a manual request to remove or delist your IP Address from their database. Use the contact form or send a message to firstname.lastname@example.org. Please provide proof that the ip range or the ip address belongs to you.