online CIDR and IP subnet calculator : Check host

54.209.71.0-54.209.71.127
54.209.71.0/25

54.209.71.128-54.209.71.131
54.209.71.128/30

54.209.71.132-54.209.71.133
54.209.71.132/31

54.209.0.0-54.209.63.255
54.209.0.0/18

54.209.64.0-54.209.67.255
54.209.64.0/22

54.209.68.0-54.209.69.255
54.209.68.0/23

54.209.70.0-54.209.70.255
54.209.70.0/24

54.208.0.0-54.208.255.255
54.208.0.0/16

IP subnet calculator 54.208.0.0-54.209.71.133