online CIDR and IP subnet calculator : Check host

54.243.32.0-54.243.63.255
54.243.32.0/19

54.243.64.0-54.243.127.255
54.243.64.0/18

54.243.128.0-54.243.143.255
54.243.128.0/20

54.243.144.0-54.243.151.255
54.243.144.0/21

54.243.152.0-54.243.155.255
54.243.152.0/22

54.243.156.0-54.243.157.255
54.243.156.0/23

54.243.158.0-54.243.158.255
54.243.158.0/24

IP subnet calculator 54.243.32.0-54.243.158.255