online CIDR and IP subnet calculator : Check host

77.72.168.46-77.72.168.47
77.72.168.46/31

77.72.168.48-77.72.168.63
77.72.168.48/28

77.72.168.64-77.72.168.127
77.72.168.64/26

77.72.168.128-77.72.168.255
77.72.168.128/25

77.72.169.0-77.72.169.255
77.72.169.0/24

77.72.170.0-77.72.171.255
77.72.170.0/23

77.72.172.0-77.72.175.255
77.72.172.0/22

IP subnet calculator 77.72.168.46-77.72.175.255