IP subnet calculator

136.243.78.128-136.243.81.63

136.243.78.128-136.243.78.255
136.243.78.128/25

136.243.81.0-136.243.81.63
136.243.81.0/26

136.243.79.0-136.243.79.255
136.243.79.0/24

136.243.80.0-136.243.80.255
136.243.80.0/24