IP subnet calculator

104.18.54.0-104.18.54.63
104.18.54.0/26

104.18.54.64-104.18.54.71
104.18.54.64/29

104.18.0.0-104.18.31.255
104.18.0.0/19

104.18.32.0-104.18.47.255
104.18.32.0/20

104.18.48.0-104.18.51.255
104.18.48.0/22

104.18.52.0-104.18.53.255
104.18.52.0/23

104.16.0.0-104.17.255.255
104.16.0.0/15