198.54.121.242-198.54.121.243 198.54.121.242/31
198.54.121.244-198.54.121.247 198.54.121.244/30
198.54.121.248-198.54.121.255 198.54.121.248/29
198.54.122.0-198.54.122.255 198.54.122.0/24