IP subnet calculator

196.3.74.0-196.3.89.255

196.3.74.0-196.3.75.255
196.3.74.0/23

196.3.76.0-196.3.79.255
196.3.76.0/22

196.3.80.0-196.3.87.255
196.3.80.0/21

196.3.88.0-196.3.89.255
196.3.88.0/23