This is what I got from your reply, but still not working, this time I get nothing: 

while (<$tailf>) {
    chomp;
    my $line = $_;
    if($line =~ m/ on $ipaddress/)
    {
        if (scalar(@matches) <= 3){
            push(@matches, $line);
        }        
    }
    last;
}

foreach $line (@matches){
    print "$line\n";
}

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In reply to Re^2: Array size issue by hmb104
in thread Array size issue by hmb104

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