50.19.187.0-50.19.187.255 50.19.187.0/24
50.19.188.0-50.19.191.255 50.19.188.0/22
50.19.192.0-50.19.195.255 50.19.192.0/22
50.19.196.0-50.19.197.255 50.19.196.0/23