142.250.145.0-142.250.145.255
142.250.145.0/24
142.250.146.0-142.250.147.255
142.250.146.0/23
142.250.148.0-142.250.151.255
142.250.148.0/22
142.250.152.0-142.250.159.255
142.250.152.0/21
142.250.160.0-142.250.167.255
142.250.160.0/21
142.250.168.0-142.250.171.255
142.250.168.0/22
142.250.172.0-142.250.173.255
142.250.172.0/23
142.250.174.0-142.250.174.255
142.250.174.0/24