Калькулятор IP подсетей

138.128.181.0-138.128.191.255

138.128.181.0-138.128.181.255
138.128.181.0/24

138.128.182.0-138.128.183.255
138.128.182.0/23

138.128.184.0-138.128.191.255
138.128.184.0/21