172.67.8.0-172.67.15.255 172.67.8.0/21
172.67.16.0-172.67.31.255 172.67.16.0/20
172.67.32.0-172.67.47.255 172.67.32.0/20
172.67.48.0-172.67.55.255 172.67.48.0/21
172.67.56.0-172.67.56.255 172.67.56.0/24