online CIDR and IP subnet calculator : Check host

51.161.64.216-51.161.64.223
51.161.64.216/29

51.161.64.224-51.161.64.255
51.161.64.224/27

51.161.65.0-51.161.65.255
51.161.65.0/24

51.161.66.0-51.161.67.255
51.161.66.0/23

51.161.68.0-51.161.71.255
51.161.68.0/22

51.161.72.0-51.161.79.255
51.161.72.0/21

51.161.80.0-51.161.95.255
51.161.80.0/20

51.161.96.0-51.161.127.255
51.161.96.0/19

IP subnet calculator 51.161.64.216-51.161.127.255