IP subnet calculator

195.154.84.208-195.154.87.255

195.154.84.208-195.154.84.223
195.154.84.208/28

195.154.84.224-195.154.84.255
195.154.84.224/27

195.154.85.0-195.154.85.255
195.154.85.0/24

195.154.86.0-195.154.87.255
195.154.86.0/23