Калькулятор IP подсетей

116.202.248.0-116.203.159.255

116.202.248.0-116.202.255.255
116.202.248.0/21

116.203.0.0-116.203.127.255
116.203.0.0/17

116.203.128.0-116.203.159.255
116.203.128.0/19