Калькулятор IP подсетей

217.198.144.0-217.198.157.255

217.198.144.0-217.198.151.255
217.198.144.0/21

217.198.152.0-217.198.155.255
217.198.152.0/22

217.198.156.0-217.198.157.255
217.198.156.0/23