online CIDR and IP subnet calculator : Check host

54.211.0.0-54.211.127.255
54.211.0.0/17

54.211.128.0-54.211.191.255
54.211.128.0/18

54.211.192.0-54.211.223.255
54.211.192.0/19

54.211.224.0-54.211.239.255
54.211.224.0/20

54.211.240.0-54.211.247.255
54.211.240.0/21

54.211.248.0-54.211.251.255
54.211.248.0/22

54.211.252.0-54.211.253.255
54.211.252.0/23

54.211.254.0-54.211.254.255
54.211.254.0/24

IP subnet calculator 54.211.0.0-54.211.254.255