IP subnet calculator

104.31.80.0-104.31.94.255

104.31.80.0-104.31.87.255
104.31.80.0/21

104.31.88.0-104.31.91.255
104.31.88.0/22

104.31.92.0-104.31.93.255
104.31.92.0/23

104.31.94.0-104.31.94.255
104.31.94.0/24