diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/README.md b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/README.md
index ff0370b105f..ea9dc8befdd 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/README.md
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-cloudnumberregistry</artifactId>
-      <version>v1alpha-rev20260826-2.9.2</version>
+      <version>v1alpha-rev20261109-2.9.2</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20260826-2.9.2'
+  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20261109-2.9.2'
 }
 ```
 
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Attribute.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Attribute.java
index 708dc292cbc..c480ce9df01 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Attribute.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Attribute.java
@@ -17,7 +17,10 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * A key-value pair representing a custom attribute associated with a resource.
+ * A key-value pair representing a custom attribute associated with a resource. Attributes are
+ * resource metadata used to organize and search for resources. Do not include sensitive
+ * information, such as personally identifiable information or credentials, in attribute `key` or
+ * `value`.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CustomRange.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CustomRange.java
index 414e545c1b2..bf0a9a643d7 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CustomRange.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CustomRange.java
@@ -44,7 +44,8 @@ public final class CustomRange extends com.google.api.client.json.GenericJson {
   }
 
   /**
-   * Optional. The description of the CustomRange.
+   * Optional. The description of the CustomRange. Do not include sensitive information, such as
+   * personally identifiable information or credentials, in the `description` field.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -125,7 +126,8 @@ public CustomRange setAttributes(java.util.List<Attribute> attributes) {
   }
 
   /**
-   * Optional. The description of the CustomRange.
+   * Optional. The description of the CustomRange. Do not include sensitive information, such as
+   * personally identifiable information or credentials, in the `description` field.
    * @return value or {@code null} for none
    */
   public java.lang.String getDescription() {
@@ -133,7 +135,8 @@ public java.lang.String getDescription() {
   }
 
   /**
-   * Optional. The description of the CustomRange.
+   * Optional. The description of the CustomRange. Do not include sensitive information, such as
+   * personally identifiable information or credentials, in the `description` field.
    * @param description description or {@code null} for none
    */
   public CustomRange setDescription(java.lang.String description) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListCustomRangesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListCustomRangesResponse.java
index 3e6483cbe6c..2dcd5a6838b 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListCustomRangesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListCustomRangesResponse.java
@@ -52,7 +52,7 @@ public final class ListCustomRangesResponse extends com.google.api.client.json.G
   private java.lang.String nextPageToken;
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -95,7 +95,7 @@ public ListCustomRangesResponse setNextPageToken(java.lang.String nextPageToken)
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @return value or {@code null} for none
    */
   public java.util.List<java.lang.String> getUnreachable() {
@@ -103,7 +103,7 @@ public java.util.List<java.lang.String> getUnreachable() {
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @param unreachable unreachable or {@code null} for none
    */
   public ListCustomRangesResponse setUnreachable(java.util.List<java.lang.String> unreachable) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListDiscoveredRangesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListDiscoveredRangesResponse.java
index 574490e9a06..d9756e678fe 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListDiscoveredRangesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListDiscoveredRangesResponse.java
@@ -52,7 +52,7 @@ public final class ListDiscoveredRangesResponse extends com.google.api.client.js
   private java.lang.String nextPageToken;
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -95,7 +95,7 @@ public ListDiscoveredRangesResponse setNextPageToken(java.lang.String nextPageTo
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @return value or {@code null} for none
    */
   public java.util.List<java.lang.String> getUnreachable() {
@@ -103,7 +103,7 @@ public java.util.List<java.lang.String> getUnreachable() {
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @param unreachable unreachable or {@code null} for none
    */
   public ListDiscoveredRangesResponse setUnreachable(java.util.List<java.lang.String> unreachable) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListIpamAdminScopesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListIpamAdminScopesResponse.java
index dddcb6cbc1a..ac9f0ded4b4 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListIpamAdminScopesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListIpamAdminScopesResponse.java
@@ -52,7 +52,7 @@ public final class ListIpamAdminScopesResponse extends com.google.api.client.jso
   private java.lang.String nextPageToken;
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -95,7 +95,7 @@ public ListIpamAdminScopesResponse setNextPageToken(java.lang.String nextPageTok
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @return value or {@code null} for none
    */
   public java.util.List<java.lang.String> getUnreachable() {
@@ -103,7 +103,7 @@ public java.util.List<java.lang.String> getUnreachable() {
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @param unreachable unreachable or {@code null} for none
    */
   public ListIpamAdminScopesResponse setUnreachable(java.util.List<java.lang.String> unreachable) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListOrgNumberRegistriesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListOrgNumberRegistriesResponse.java
index 176d20252bc..913c5e82cfc 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListOrgNumberRegistriesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListOrgNumberRegistriesResponse.java
@@ -46,7 +46,7 @@ public final class ListOrgNumberRegistriesResponse extends com.google.api.client
   private java.util.List<OrgNumberRegistry> orgNumberRegistries;
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -89,7 +89,7 @@ public ListOrgNumberRegistriesResponse setOrgNumberRegistries(java.util.List<Org
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @return value or {@code null} for none
    */
   public java.util.List<java.lang.String> getUnreachable() {
@@ -97,7 +97,7 @@ public java.util.List<java.lang.String> getUnreachable() {
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @param unreachable unreachable or {@code null} for none
    */
   public ListOrgNumberRegistriesResponse setUnreachable(java.util.List<java.lang.String> unreachable) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRealmsResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRealmsResponse.java
index 9f303354a4b..8e8e3623dd3 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRealmsResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRealmsResponse.java
@@ -45,7 +45,7 @@ public final class ListRealmsResponse extends com.google.api.client.json.Generic
   private java.util.List<Realm> realms;
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -86,7 +86,7 @@ public ListRealmsResponse setRealms(java.util.List<Realm> realms) {
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @return value or {@code null} for none
    */
   public java.util.List<java.lang.String> getUnreachable() {
@@ -94,7 +94,7 @@ public java.util.List<java.lang.String> getUnreachable() {
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @param unreachable unreachable or {@code null} for none
    */
   public ListRealmsResponse setUnreachable(java.util.List<java.lang.String> unreachable) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRegistryBooksResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRegistryBooksResponse.java
index 136954a3f7e..e783c801998 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRegistryBooksResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRegistryBooksResponse.java
@@ -45,7 +45,7 @@ public final class ListRegistryBooksResponse extends com.google.api.client.json.
   private java.util.List<RegistryBook> registryBooks;
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -86,7 +86,7 @@ public ListRegistryBooksResponse setRegistryBooks(java.util.List<RegistryBook> r
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @return value or {@code null} for none
    */
   public java.util.List<java.lang.String> getUnreachable() {
@@ -94,7 +94,7 @@ public java.util.List<java.lang.String> getUnreachable() {
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @param unreachable unreachable or {@code null} for none
    */
   public ListRegistryBooksResponse setUnreachable(java.util.List<java.lang.String> unreachable) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResponse.java
index a79d80b2685..4eeb5072aa2 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResponse.java
@@ -58,7 +58,7 @@ public final class SearchIpResourcesResponse extends com.google.api.client.json.
   private java.util.List<SearchIpResourcesResult> results;
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -116,7 +116,7 @@ public SearchIpResourcesResponse setResults(java.util.List<SearchIpResourcesResu
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @return value or {@code null} for none
    */
   public java.util.List<java.lang.String> getUnreachable() {
@@ -124,7 +124,7 @@ public java.util.List<java.lang.String> getUnreachable() {
   }
 
   /**
-   * Locations that could not be reached.
+   * Unordered list. Locations that could not be reached.
    * @param unreachable unreachable or {@code null} for none
    */
   public SearchIpResourcesResponse setUnreachable(java.util.List<java.lang.String> unreachable) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml
index 5bf58519e3c..9898e73ac7d 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-cloudnumberregistry</artifactId>
-  <version>v1alpha-rev20260826-2.9.2</version>
-  <name>Cloud Number Registry API v1alpha-rev20260826-2.9.2</name>
+  <version>v1alpha-rev20261109-2.9.2</version>
+  <name>Cloud Number Registry API v1alpha-rev20261109-2.9.2</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/README.md b/clients/google-api-services-cloudnumberregistry/v1alpha/README.md
index ff0370b105f..ea9dc8befdd 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/README.md
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-cloudnumberregistry</artifactId>
-      <version>v1alpha-rev20260826-2.9.2</version>
+      <version>v1alpha-rev20261109-2.9.2</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20260826-2.9.2'
+  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20261109-2.9.2'
 }
 ```