Калькулятор IP подсетей

130.61.139.0-130.61.142.255

130.61.139.0-130.61.139.255
130.61.139.0/24

130.61.140.0-130.61.141.255
130.61.140.0/23

130.61.142.0-130.61.142.255
130.61.142.0/24