@if (0)==(0) echo off
cscript //nologo //e:jscript "%~0" < a.txt
pause & exit
@end

var arr = WSH.StdIn.ReadAll().replace(
    /^(\d+\.\d+\.)(\d+)\.0/mg,
    function(a, b, c){ return b + (c*1 + 1000) }
).match(/(\d+\.){2}\d+/g);

arr.sort().push('');
var s = '', len = arr.length - 1;

for(var i=0; i<len; i++){

    var x = arr[i].split('.');
    var y = arr[i+1].split('.');

    if(x[0]==y[0] && x[1]==y[1] && (y[2]-x[2]==1 || y[2]-x[2]==0)){
        s += x[2] + ' ' + y[2];
    }else {
        if(s == '') s = x[2];
        var s1 = x[0] + '.' + x[1] + '.' + (s.substr(0,4) - 1000) + '.0';
        var s2 = x[0] + '.' + x[1] + '.' + (s.substr(s.length-4) - 1000) + '.255';
        WSH.Echo(s1 + '-' + s2);
        s = ''
    }
}
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