online CIDR and IP subnet calculator : Check host

217.124.153.0-217.124.153.255
217.124.153.0/24

217.124.154.0-217.124.155.255
217.124.154.0/23

217.124.156.0-217.124.159.255
217.124.156.0/22

217.124.160.0-217.124.191.255
217.124.160.0/19

217.124.192.0-217.124.255.255
217.124.192.0/18

217.125.0.0-217.125.255.255
217.125.0.0/16

217.126.0.0-217.127.255.255
217.126.0.0/15

IP subnet calculator 217.124.153.0-217.127.255.255