black lion on "[Plugin: Wordfence Security] HOW TO: IP blocking 123.123,123.123"

That is what I am doing now. Only there are more then 500 a day.
But it is going fast. Whas hoping to do it with a , seperated.
Mayby a idee for the makers of this good plugin.
Getting to many attack's on admin-login.
OK there is NO admin. And a strong password on my inlog account.