online CIDR and IP subnet calculator : Check host

54.242.239.180-54.242.239.183
54.242.239.180/30

54.242.239.184-54.242.239.191
54.242.239.184/29

54.242.239.192-54.242.239.255
54.242.239.192/26

54.242.240.0-54.242.255.255
54.242.240.0/20

54.243.4.0-54.243.4.63
54.243.4.0/26

54.243.4.64-54.243.4.79
54.243.4.64/28

54.243.4.80-54.243.4.87
54.243.4.80/29

54.243.4.88-54.243.4.91
54.243.4.88/30

54.243.4.92-54.243.4.93
54.243.4.92/31

54.243.0.0-54.243.3.255
54.243.0.0/22

IP subnet calculator 54.242.239.180-54.243.4.93