online CIDR and IP subnet calculator : Check host

129.80.61.128-129.80.61.255
129.80.61.128/25

129.80.62.0-129.80.63.255
129.80.62.0/23

129.80.64.0-129.80.127.255
129.80.64.0/18

129.80.128.0-129.80.191.255
129.80.128.0/18

129.80.192.0-129.80.199.255
129.80.192.0/21

129.80.200.0-129.80.203.255
129.80.200.0/22

129.80.204.0-129.80.205.255
129.80.204.0/23

IP subnet calculator 129.80.61.128-129.80.205.255