Hi Dear,
I had the same issuea and searched on google about HOW TO RESOLVE YOUR IP HAS BEEN FLAGGED FOR POTENTIAL SECURITY VIOLATIONS JETPACK ISSUE ON WORDPRESS , and after a lot of research on the internet i found this solution which worked for me,, I bet it will work for you as well ??
https://khojdo.com/how-to-resolve-your-ip-has-been-flagged-for-potential-security-violations-jetpack-issue-on-wordpress-step-by-step-tutorial/
