DescribeRouteTables - Amazon Elastic Compute Cloud
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Describes one or more of your route tables.

Each subnet in your VPC must be associated with a route table. If a subnet is not explicitly associated with any route table, it is implicitly associated with the main route table. This command does not return the subnet ID for implicit associations.

For more information, see Route tables in the Amazon Virtual Private Cloud User Guide.

Request Parameters

The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see Common Query Parameters.


Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.

Type: Boolean

Required: No


One or more filters.

  • association.route-table-association-id - The ID of an association ID for the route table.

  • association.route-table-id - The ID of the route table involved in the association.

  • association.subnet-id - The ID of the subnet involved in the association.

  • association.main - Indicates whether the route table is the main route table for the VPC (true | false). Route tables that do not have an association ID are not returned in the response.

  • owner-id - The ID of the Amazon Web Services account that owns the route table.

  • route-table-id - The ID of the route table.

  • route.destination-cidr-block - The IPv4 CIDR range specified in a route in the table.

  • route.destination-ipv6-cidr-block - The IPv6 CIDR range specified in a route in the route table.

  • route.destination-prefix-list-id - The ID (prefix) of the Amazon Web Service specified in a route in the table.

  • route.egress-only-internet-gateway-id - The ID of an egress-only Internet gateway specified in a route in the route table.

  • route.gateway-id - The ID of a gateway specified in a route in the table.

  • route.instance-id - The ID of an instance specified in a route in the table.

  • route.nat-gateway-id - The ID of a NAT gateway.

  • route.transit-gateway-id - The ID of a transit gateway.

  • route.origin - Describes how the route was created. CreateRouteTable indicates that the route was automatically created when the route table was created; CreateRoute indicates that the route was manually added to the route table; EnableVgwRoutePropagation indicates that the route was propagated by route propagation.

  • route.state - The state of a route in the route table (active | blackhole). The blackhole state indicates that the route's target isn't available (for example, the specified gateway isn't attached to the VPC, the specified NAT instance has been terminated, and so on).

  • route.vpc-peering-connection-id - The ID of a VPC peering connection specified in a route in the table.

  • tag:<key> - The key/value combination of a tag assigned to the resource. Use the tag key in the filter name and the tag value as the filter value. For example, to find all resources that have a tag with the key Owner and the value TeamA, specify tag:Owner for the filter name and TeamA for the filter value.

  • tag-key - The key of a tag assigned to the resource. Use this filter to find all resources assigned a tag with a specific key, regardless of the tag value.

  • vpc-id - The ID of the VPC for the route table.

Type: Array of Filter objects

Required: No


The maximum number of items to return for this request. To get the next page of items, make another request with the token returned in the output. For more information, see Pagination.

Type: Integer

Valid Range: Minimum value of 5. Maximum value of 100.

Required: No


The token returned from a previous paginated request. Pagination continues from the end of the items returned by the previous request.

Type: String

Required: No


One or more route table IDs.

Default: Describes all your route tables.

Type: Array of strings

Required: No

Response Elements

The following elements are returned by the service.


The token to include in another request to get the next page of items. This value is null when there are no more items to return.

Type: String


The ID of the request.

Type: String


Information about one or more route tables.

Type: Array of RouteTable objects


For information about the errors that are common to all actions, see Common client error codes.



This example describes all your route tables. The first route table in the returned list is the VPC's main route table. Its association ID represents the association between the table and the VPC.

Sample Request &AUTHPARAMS

Sample Response

<DescribeRouteTablesResponse xmlns=""> <requestId>fe876446-c8c0-4f2d-a6df-ed506example</requestId> <routeTableSet> <item> <routeTableId>rtb-1122334455667788a</routeTableId> <vpcId>vpc-12345678912345678</vpcId> <ownerId>111122223333</ownerId> <routeSet> <item> <destinationCidrBlock></destinationCidrBlock> <gatewayId>igw-012345678901abcdef</gatewayId> <state>active</state> <origin>CreateRoute</origin> </item> <item> <destinationCidrBlock></destinationCidrBlock> <gatewayId>local</gatewayId> <state>active</state> <origin>CreateRouteTable</origin> </item> <item> <destinationCidrBlock></destinationCidrBlock> <gatewayId>igw-012345678901abcdef</gatewayId> <state>active</state> <origin>CreateRoute</origin> </item> </routeSet> <associationSet> <item> <routeTableAssociationId>rtbassoc-04ca27a6914a0b4fc</routeTableAssociationId> <routeTableId>rtb-1122334455667788a</routeTableId> <main>true</main> </item> </associationSet> <propagatingVgwSet/> <tagSet/> </item> </routeTableSet> </DescribeRouteTablesResponse>

See Also

For more information about using this API in one of the language-specific Amazon SDKs, see the following: