online CIDR and IP subnet calculator : Check host

172.64.248.84-172.64.248.87
172.64.248.84/30

172.64.248.88-172.64.248.95
172.64.248.88/29

172.64.248.96-172.64.248.127
172.64.248.96/27

172.64.248.128-172.64.248.255
172.64.248.128/25

172.64.249.0-172.64.249.255
172.64.249.0/24

172.64.250.0-172.64.251.255
172.64.250.0/23

172.64.252.0-172.64.255.255
172.64.252.0/22

172.66.0.0-172.66.3.255
172.66.0.0/22

172.65.0.0-172.65.255.255
172.65.0.0/16

IP subnet calculator 172.64.248.84-172.66.3.255