Калькулятор IP подсетей

144.76.55.248-144.76.66.63

144.76.55.248-144.76.55.255
144.76.55.248/29

144.76.66.0-144.76.66.63
144.76.66.0/26

144.76.56.0-144.76.63.255
144.76.56.0/21

144.76.64.0-144.76.65.255
144.76.64.0/23