online CIDR and IP subnet calculator : Check host

154.215.19.0-154.215.19.255
154.215.19.0/24

154.215.20.0-154.215.23.255
154.215.20.0/22

154.215.24.0-154.215.31.255
154.215.24.0/21

154.215.32.0-154.215.63.255
154.215.32.0/19

154.215.64.0-154.215.127.255
154.215.64.0/18

154.215.128.0-154.215.255.255
154.215.128.0/17

154.216.0.0-154.216.0.255
154.216.0.0/24

IP subnet calculator 154.215.19.0-154.216.0.255