Калькулятор IP подсетей

203.194.128.0-203.194.152.15

203.194.152.0-203.194.152.15
203.194.152.0/28

203.194.128.0-203.194.143.255
203.194.128.0/20

203.194.144.0-203.194.151.255
203.194.144.0/21