Amazon Amazon VPC Managed Prefix List pattern-based discovery

  • Release version: Australia
  • Updated May 13, 2026
  • 2 minutes to read
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    Summary of Amazon VPC Managed Prefix List pattern-based discovery

    This pattern-based discovery enables ServiceNow customers to identify and map Amazon Virtual Private Cloud (VPC) Managed Prefix Lists within their AWS cloud environment. It leverages the Discovery and Service Mapping Patterns application to populate configuration management database (CMDB) and non-CMDB tables with detailed information about these prefix lists. This discovery helps maintain an accurate and up-to-date inventory of AWS VPC Managed Prefix Lists, which is essential for cloud resource management and operational visibility.

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    Key Features

    • Pattern Activation: The Amazon AWS - VPC Managed Prefix List - Extended Inventory (LP) pattern is disabled by default and must be enabled to perform discovery. Starting with Visibility Content version 6.28.0, enabling or disabling patterns no longer counts as a customization and patterns reset to the latest version after upgrades, preserving activation status.
    • AWS Discovery Prerequisites: Customers must verify AWS discovery prerequisites and ensure relevant resources are not listed in the Resource Inclusion List table to prevent duplicate discovery.
    • Data Population: The pattern populates data in both CMDB and non-CMDB tables:
      • Non-CMDB data is accessible via the AWS configuration tables and includes details like managed prefix list name, Amazon Resource Name (ARN), list ID, and current state.
      • CMDB data is stored in the Cloud Resource table, capturing the resource type (AWS::VPC::ManagedPrefixList), install status, and operational status.
    • CI Relationships and References: The pattern establishes relationships between the managed prefix list Cloud Resource and AWS Datacenter, aiding in mapping resource dependencies and hosting information.
    • AWS Tag Discovery: Tags attached to VPC Managed Prefix Lists are collected and stored in the Key Value table, linking tags to their respective cloud resources for enhanced resource categorization and management.

    What Customers Can Expect

    By enabling and running this pattern, ServiceNow customers can expect comprehensive discovery of AWS VPC Managed Prefix Lists. This includes:

    • An up-to-date CMDB representation of managed prefix lists with operational and installation status.
    • Non-CMDB AWS-specific inventory data for detailed cloud resource insights.
    • Accurate relationships and references that support service mapping and cloud resource tracking.
    • Effective management of AWS tags for improved cloud resource governance.

    This capability supports better cloud infrastructure visibility, compliance, and operational decision-making within the ServiceNow platform.

    Discovery and Service Mapping Patterns finds Amazon Virtual Private Cloud (Amazon VPC) Managed Prefix Lists on your cloud environment. Discovering some of these resources may require updating to the latest version of the Discovery and Service Mapping Patterns application from the ServiceNow Store.

    Pattern-based discovery and mapping requirements

    Verify the AWS discovery prerequisites
    For more information, see the prerequisites section in AWS discovery using patterns.
    Remove resources from the Resource Inclusion List table
    Verify that the relevant resource isn't listed in the Resource Inclusion List [sa_cloud_inventory_resource_whitelist] table to avoid duplicate discovery. For more information on removing resources from the Resource Inclusion List, see AWS Resource Inventory discovery with Patterns.
    Enable the relevant pattern
    The pattern for this service is disabled by default. Starting with Visibility Content version 6.28.0, activating or deactivating a pattern won't be considered a customization, and it will continue to receive updates. Patterns that were previously activated or deactivated will reset to the latest predefined version after upgrading while retaining the last active field value. For more information on enabling patterns, see Activate a disabled pattern.

    Discovery and Service Mapping Patterns application populates data in both CMDB and non-CMDB tables.

    Data stored in non-CMDB tables

    Discovery and Service Mapping Patterns application populates data in the non-CMDB table when running the Amazon AWS - VPC Managed Prefix List - Extended Inventory (LP) pattern.

    You can review the non-CMDB AWS tables by navigating to All > Configuration > AWS. You can also search the navigation filter for the specific pattern name.

    Table 1. AWS VPC Managed Prefix List [cmdb_aws_vpc_managed_prefix_list]
    Field Description
    Name [name] Name of the managed prefix list.
    Object ID [object_id] The Amazon Resource Name (ARN) of the managed prefix list.
    List ID [list_id] The unique identifier of the managed prefix list.
    State [state] The current state of the managed prefix list.

    For example: create-complete, modify-in-progress, or delete-complete.
    Configuration Item [configuration_item] References the Cloud Resource [cmdb_ci_cmp_resource] table.

    Data stored in CMDB tables

    Discovery and Service Mapping Patterns application populates data in the CMDB when running the Amazon AWS - VPC Managed Prefix List - Extended Inventory (LP) pattern.

    Table 2. Cloud Resource [cmdb_ci_cmp_resource]
    Field Description
    Name [name] Name of the managed prefix list.
    Object ID [object_id] The ARN of the managed prefix list.
    Resource type [resource_type] Type of resource. The value is set to AWS::VPC::ManagedPrefixList.
    Install Status [install_status] Install status of the resource. Default value is Installed.
    Operational status [operational_status] Operational status of the resource. Default value is Operational.

    CI relationships

    The Amazon AWS - VPC Managed Prefix List - Extended Inventory (LP) pattern creates the following relationships and references to support Amazon VPC Managed Prefix List discovery. References link to records in other tables and don't appear in the CI Relationship [cmdb_rel_ci] table.

    Table 3. CI relationships
    CI Relationship CI
    Cloud Resource [cmdb_ci_cmp_resource] Hosted on::Hosts AWS Datacenter [cmdb_ci_aws_datacenter]
    Table 4. CI references
    CI Field Referenced CI
    AWS VPC Managed Prefix List [cmdb_aws_vpc_managed_prefix_list] Configuration Item [configuration_item] Cloud Resource [cmdb_ci_cmp_resource]
    Key Value [cmdb_key_value] Configuration item [configuration_item] Cloud Resource [cmdb_ci_cmp_resource]

    AWS Tag discovery

    The Amazon AWS - VPC Managed Prefix List - Extended Inventory (LP) pattern collects tags and populates them in the Key Value [cmdb_key_value] table.

    Table 5. Key Value [cmdb_key_value]
    Field Description
    Key [key] Tag name.
    Value [value] Tag value.
    Configuration item [configuration_item] References the Cloud Resource [cmdb_ci_cmp_resource] table.