#!/usr/bin/perl
use Data::Dumper;
my %HoA = ();
my %hash_track = ();
while(<DATA>) {
    chomp($_);
    my (@stuff) = split(" ", $_);
    &fill(@stuff);
}

print Dumper(\%HoA);
sub fill() {
    my @a = @_;
    my @ar = @a[0,1,2,4,5,6,7];
    my $h = $a[3];
    $HoA{$h}[$hash_track{$h}] = [ @ar ];     
    $hash_track{$h}++; 
}

__DATA__
334 Capped 28 5034366 16777215 NULL NULL NULL 
373 Capped 28 5034366 16777215 NULL NULL NULL