my $data = $self->{'ldap'}->fetch(
    source => $self->{'config'}->{'ldap.base'},
    filter => "cn=$self->{'arg'}->{'host'}"
);

##</code><code>##

$data = {
  'cn=hostA,ou=Hosts,dc=company,dc=com' = {
    cn => 'hostA',
    ipAddress => '192.168.0.1',
  },
  'cn=hostB,ou=Hosts,dc=company,dc=com' = {
    cn => 'hostB',
    ipAddress => '192.168.0.2',
  }
}

##</code><code>##

map { $data = $data->{$_}; } keys %{$data};