You can use map from within map which would be quite ugly for more than 2 levels an quite hard for n levels where n is determined at runtime. 
my @hosts = map {my $i = $_; map {"192.168.$i.$_"} 1 .. 254} 1 .. 254;

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In reply to Re: Adding an Entire Class B IP Range to an Array by Jaap
in thread Adding an Entire Class B IP Range to an Array by Dru

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