$header = []
foreach ($result as $ip) {
      $row = [];
      $links = [];
      $links['delete'] = [
        'title' => $this->t('Delete'),
        'url' => Url::fromRoute('myrouter'),
      ];
      $row[] = [
        'data' => [
          '#type' => 'operations',
          '#links' => $links,
        ],
      ];
      $rows[] = $row;
}
[
      '#type' => 'table',
      '#header' => $header,
      '#rows' => $rows,
]