Identify a shared multicast domain in AWS Transit Gateway - Amazon VPC
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Identify a shared multicast domain in AWS Transit Gateway

Owners and consumers can identify shared multicast domains using the Amazon Virtual Private Cloud and AWS CLI

To identify a shared multicast domain using the *Amazon Virtual Private Cloud Console
  1. Open the Amazon VPC console at https://eusc-de-east-1.console.amazonaws-eusc.eu/vpc/.

  2. In the navigation pane, choose Multicast Domains.

  3. Select your multicast domain.

  4. On the Transit Multicast Domain Details page, view the Owner ID to identify the AWS account ID of the multicast domain.

To identify a shared multicast domain using the AWS CLI

Use the describe-transit-gateway-multicast-domains command. The command returns the multicast domains that you own and multicast domains that are shared with you. OwnerId shows the AWS account ID of the multicast domain owner.