Калькулятор IP подсетей

145.131.8.0-145.131.47.255

145.131.8.0-145.131.15.255
145.131.8.0/21

145.131.16.0-145.131.31.255
145.131.16.0/20

145.131.32.0-145.131.47.255
145.131.32.0/20