magento-test/app/code/Magento/Security/view/adminhtml/templates/session/activity.phtml

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

/**
 * Account activity template
 *
 * @var $block \Magento\Security\Block\Adminhtml\Session\Activity
 */

$sessionInfoCollection = $block->getSessionInfoCollection();
?>
<header>
    <div class="page-title-wrapper">
        <h1 class="page-title" align="center"><?= $block->escapeHtml(__('Account Activity')) ?></h1>
        <?php
        if ($block->areMultipleSessionsActive()) {
            echo $block->escapeHtml(__(
                'This administrator account is open in more than one location. '
                .'Note that other locations might be different browsers or sessions on the same computer.'
            ));
        } ?>
    </div>
</header>

<div class="page-content">
    <?= $block->getLayout()->getMessagesBlock()->getGroupedHtml() ?>
    <div>
        <div class="information-title"><?= $block->escapeHtml(__('Concurrent session information:')) ?></div>
        <table cellspacing="0" border="1" class="information-table">
            <thead>
                <tr>
                    <th><?= $block->escapeHtml(__('IP Address')) ?></th>
                    <th><?= $block->escapeHtml(__('Time of session start')) ?></th>
                </tr>
            </thead>
            <tbody>
            <?php
            foreach ($sessionInfoCollection as $item) : ?>
                <tr>
                    <td><?= $block->escapeHtml($item->getFormattedIp()) ?></td>
                    <td><?= $block->escapeHtml($block->formatDateTime($item->getCreatedAt())) ?></td>
                </tr>
            <?php endforeach; ?>
            </tbody>
        </table>

        <div class="button-container">
            <button type="button"
                <?php if ($block->areMultipleSessionsActive()) : ?>
                    data-mage-init='{"confirmRedirect":{
                        "message": "<?=
                            $block->escapeJs(__('Are you sure that you want to log out all other sessions?'))
                        ?>",
                        "url":"<?=
                            $block->escapeJs($block->escapeUrl($block->getUrl('security/session/logoutAll')))
                        ?>"
                    }}'
                <?php else : ?>disabled<?php
                endif ?>
                title="<?= $block->escapeHtmlAttr(__('Log out all other sessions')) ?>">
                <?= $block->escapeHtml(__('Log out all other sessions')) ?>
            </button>
        </div>

        <div><?= $block->escapeHtml(__('This computer is using IP address %1.', $block->getRemoteIp())) ?></div>
    </div>
</div>