It's few days I'm experiencing a strange malicious activity, that is the registration of several fake accounts with the following characteristics: all of them use no-existing email addresses, but existing domains ( @palestinedrinks.com, @docomo.ne.jp, @yahoo.com, @aol.com) all of them came from USA IP all of them use plausible US names and addresses they came from different IP, but often belonging to the same IP class (i.e. I blocked 84.32.60.0/24 and 104.165.169.0/2