IP subnet calculator

173.194.68.0-173.194.84.255

173.194.68.0-173.194.71.255
173.194.68.0/22

173.194.72.0-173.194.79.255
173.194.72.0/21

173.194.80.0-173.194.83.255
173.194.80.0/22

173.194.84.0-173.194.84.255
173.194.84.0/24