This subnet calculator takes an IP address and netmask and calculates the resulting broadcast, network, Cisco wildcard mask, and host range. ... <看更多>

IP Calculator. ... private final JLabel laIP = new JLabel("IP Address:"); ... createTitledBorder("Please enter IP Address and Subnet or Units."));. ... <看更多>

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As you've already noted, all IPv4 addresses can be converted to numbers using ip2long() , and converted back using long2ip() . ... <看更多>