online CIDR and IP subnet calculator : Check host

3.21.183.0-3.21.183.255
3.21.183.0/24

3.21.184.0-3.21.191.255
3.21.184.0/21

3.21.192.0-3.21.255.255
3.21.192.0/18

3.22.0.0-3.22.127.255
3.22.0.0/17

3.22.128.0-3.22.143.255
3.22.128.0/20

3.22.144.0-3.22.151.255
3.22.144.0/21

3.22.152.0-3.22.155.255
3.22.152.0/22

3.22.156.0-3.22.156.255
3.22.156.0/24

IP subnet calculator 3.21.183.0-3.22.156.255