diff --git a/api_names_out.yaml b/api_names_out.yaml
index 494ccf15e..f9e4feb35 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -133859,6 +133859,9 @@
 "/servicenetworking:v1beta/SearchRangeRequest": search_range_request
 "/servicenetworking:v1beta/SearchRangeRequest/ipPrefixLength": ip_prefix_length
 "/servicenetworking:v1beta/SearchRangeRequest/network": network
+"/servicenetworking:v1beta/SecondaryIpRange": secondary_ip_range
+"/servicenetworking:v1beta/SecondaryIpRange/ipCidrRange": ip_cidr_range
+"/servicenetworking:v1beta/SecondaryIpRange/rangeName": range_name
 "/servicenetworking:v1beta/Service": service
 "/servicenetworking:v1beta/Service/apis": apis
 "/servicenetworking:v1beta/Service/apis/api": api
@@ -133917,6 +133920,8 @@
 "/servicenetworking:v1beta/Subnetwork/name": name
 "/servicenetworking:v1beta/Subnetwork/network": network
 "/servicenetworking:v1beta/Subnetwork/outsideAllocation": outside_allocation
+"/servicenetworking:v1beta/Subnetwork/secondaryIpRanges": secondary_ip_ranges
+"/servicenetworking:v1beta/Subnetwork/secondaryIpRanges/secondary_ip_range": secondary_ip_range
 "/servicenetworking:v1beta/SystemParameter": system_parameter
 "/servicenetworking:v1beta/SystemParameter/httpHeader": http_header
 "/servicenetworking:v1beta/SystemParameter/name": name
diff --git a/generated/google/apis/servicenetworking_v1beta.rb b/generated/google/apis/servicenetworking_v1beta.rb
index 2481b023d..cb3e2008b 100644
--- a/generated/google/apis/servicenetworking_v1beta.rb
+++ b/generated/google/apis/servicenetworking_v1beta.rb
@@ -26,7 +26,7 @@ module Google
     # @see https://cloud.google.com/service-infrastructure/docs/service-networking/getting-started
     module ServicenetworkingV1beta
       VERSION = 'V1beta'
-      REVISION = '20201020'
+      REVISION = '20201021'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/servicenetworking_v1beta/classes.rb b/generated/google/apis/servicenetworking_v1beta/classes.rb
index 120b74692..b074ee137 100644
--- a/generated/google/apis/servicenetworking_v1beta/classes.rb
+++ b/generated/google/apis/servicenetworking_v1beta/classes.rb
@@ -2872,6 +2872,31 @@ module Google
         end
       end
       
+      # 
+      class SecondaryIpRange
+        include Google::Apis::Core::Hashable
+      
+        # Secondary IP CIDR range in `x.x.x.x/y` format.
+        # Corresponds to the JSON property `ipCidrRange`
+        # @return [String]
+        attr_accessor :ip_cidr_range
+      
+        # Name of the secondary IP range.
+        # Corresponds to the JSON property `rangeName`
+        # @return [String]
+        attr_accessor :range_name
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @ip_cidr_range = args[:ip_cidr_range] if args.key?(:ip_cidr_range)
+          @range_name = args[:range_name] if args.key?(:range_name)
+        end
+      end
+      
       # `Service` is the root object of Google service configuration schema. It
       # describes basic information about a service, such as the name and the title,
       # and delegates other aspects to sub-sections. Each sub-section is either a
@@ -3299,6 +3324,11 @@ module Google
         attr_accessor :outside_allocation
         alias_method :outside_allocation?, :outside_allocation
       
+        # List of secondary IP ranges in this subnetwork.
+        # Corresponds to the JSON property `secondaryIpRanges`
+        # @return [Array<Google::Apis::ServicenetworkingV1beta::SecondaryIpRange>]
+        attr_accessor :secondary_ip_ranges
+      
         def initialize(**args)
            update!(**args)
         end
@@ -3309,6 +3339,7 @@ module Google
           @name = args[:name] if args.key?(:name)
           @network = args[:network] if args.key?(:network)
           @outside_allocation = args[:outside_allocation] if args.key?(:outside_allocation)
+          @secondary_ip_ranges = args[:secondary_ip_ranges] if args.key?(:secondary_ip_ranges)
         end
       end
       
diff --git a/generated/google/apis/servicenetworking_v1beta/representations.rb b/generated/google/apis/servicenetworking_v1beta/representations.rb
index 15fbb475a..28a61da41 100644
--- a/generated/google/apis/servicenetworking_v1beta/representations.rb
+++ b/generated/google/apis/servicenetworking_v1beta/representations.rb
@@ -418,6 +418,12 @@ module Google
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class SecondaryIpRange
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class Service
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -1136,6 +1142,14 @@ module Google
         end
       end
       
+      class SecondaryIpRange
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :ip_cidr_range, as: 'ipCidrRange'
+          property :range_name, as: 'rangeName'
+        end
+      end
+      
       class Service
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
@@ -1221,6 +1235,8 @@ module Google
           property :name, as: 'name'
           property :network, as: 'network'
           property :outside_allocation, as: 'outsideAllocation'
+          collection :secondary_ip_ranges, as: 'secondaryIpRanges', class: Google::Apis::ServicenetworkingV1beta::SecondaryIpRange, decorator: Google::Apis::ServicenetworkingV1beta::SecondaryIpRange::Representation
+      
         end
       end
       
diff --git a/generated/google/apis/servicenetworking_v1beta/synth.metadata b/generated/google/apis/servicenetworking_v1beta/synth.metadata
index 8ba18e27d..ad685105d 100644
--- a/generated/google/apis/servicenetworking_v1beta/synth.metadata
+++ b/generated/google/apis/servicenetworking_v1beta/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "cb0c5bf94e2b1c915107eec83041d4409c900155"
+        "sha": "d53bec90ed2ca3cdd76158f2fc018b05fe3d2027"
       }
     }
   ]