online CIDR and IP subnet calculator : Check host

173.236.54.242-173.236.54.243
173.236.54.242/31

173.236.54.244-173.236.54.247
173.236.54.244/30

173.236.54.248-173.236.54.255
173.236.54.248/29

173.236.55.0-173.236.55.255
173.236.55.0/24

173.236.56.0-173.236.63.255
173.236.56.0/21

173.236.64.0-173.236.67.255
173.236.64.0/22

173.236.68.0-173.236.68.255
173.236.68.0/24

IP subnet calculator 173.236.54.242-173.236.68.255