online CIDR and IP subnet calculator : Check host

142.250.29.0-142.250.29.255
142.250.29.0/24

142.250.30.0-142.250.31.255
142.250.30.0/23

142.250.32.0-142.250.63.255
142.250.32.0/19

142.250.64.0-142.250.127.255
142.250.64.0/18

142.250.128.0-142.250.191.255
142.250.128.0/18

142.250.192.0-142.250.199.255
142.250.192.0/21

142.250.200.0-142.250.203.255
142.250.200.0/22

142.250.204.0-142.250.205.255
142.250.204.0/23

142.250.206.0-142.250.206.255
142.250.206.0/24

IP subnet calculator 142.250.29.0-142.250.206.255