IP subnet calculator

173.232.0.0-173.232.91.255

173.232.0.0-173.232.63.255
173.232.0.0/18

173.232.64.0-173.232.79.255
173.232.64.0/20

173.232.80.0-173.232.87.255
173.232.80.0/21

173.232.88.0-173.232.91.255
173.232.88.0/22