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

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

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