keycloak-theme/keycloak-themes/base/admin/resources/partials/modal/realm-events-admin-auth.html

<div style="padding: 20px 20px 0 20px">
<table class="table table-striped table-bordered">
    <tr><td width="100px">{{:: 'realm' | translate}}</td><td>{{event.authDetails.realmId}}</td></tr>
    <tr><td width="100px">{{:: 'client' | translate}}</td><td>{{event.authDetails.clientId}}</td></tr>
    <tr><td width="100px">{{:: 'user' | translate}}</td><td>{{event.authDetails.userId}}</td></tr>
    <tr><td width="100px">{{:: 'ip-address' | translate}}</td><td>{{event.authDetails.ipAddress}}</td></tr>
</table>
</div>