Калькулятор IP подсетей

87.245.224.0-87.245.236.255

87.245.224.0-87.245.231.255
87.245.224.0/21

87.245.232.0-87.245.235.255
87.245.232.0/22

87.245.236.0-87.245.236.255
87.245.236.0/24