#!/usr/bin/perl -w
use strict;

my $num =1;
while(<DATA>) 
{
   if ( (/^Services\s*$/../^Users\s*$/) =~ /^(\d+)(?<!^1)$/ ) 
   {
      last if $1 <= $num++; #only first Services section
      
      next if /^====/ || /^\s*$/;  #if you don't want these
      print "$_";      
   }
}

=prints
blah
glah
sfsd
asfsdf
afsafdf
=cut 

##</code><code>##

__DATA__
========================================================
Net Stuff
========================================================

slfjs
sfafdds
aslfkjsdl
sfsdf

========================================================
Services
========================================================
blah
glah
sfsd


asfsdf
afsafdf

========================================================
Users
========================================================


Services
                        sam
                        bill
                        frank