Калькулятор IP подсетей

89.31.143.0-89.31.143.99

89.31.143.0-89.31.143.63
89.31.143.0/26

89.31.143.64-89.31.143.95
89.31.143.64/27

89.31.143.96-89.31.143.99
89.31.143.96/30