open IN,'<1';
while (<IN>) {
        $a = 1 if /Endpoint/;
        $b = 1 if /-/ and $a;
        if($a and $b){
                if(/^\s+(.+)\s\(/){
                        $h{$1}{'x'} = ++$x if ! exists $h{$1};
                        $r .= $h{$1}{'x'}.".";
                }
        }
        $a = 0, $b = 0, ++$r{$r}, $r = '' if /data arrival time/ and $b;
}

close IN;

foreach (sort keys %r) {
        print "$_: $r{$_}\n";
}


##</code><code>##

1.2.2.3.3.4.4.5.6.7.8.9.10.10.11.11.12.12.: 8